Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

Surge Protective Devices

External Mount

ASCO Model 485 Surge Protective Device

ASCO Model 485 Surge Protective Device

120-600VAC | 600-900kA/Phase. The ASCO Model 485 Surge Protective Device is our largest, highest kA (SPD). The Model 485 utilizes two separate, dual redundant replaceable modules that work in parallel. It features large block, 50kA thermally protected MOV’s with surge current levels of 600kA - 900kA per phase. This unit is for 'Mission-Critical' environments.

View Details
ASCO Model 480 Surge Protective Device

ASCO Model 480 Surge Protective Device

120-600VAC | 400-1000kA/Phase. The ASCO Model 480 Surge Protective Device is our largest, highest kA (SPD). The Model 480 utilizes two separate, dual redundant replaceable modules that work in parallel. It features large block, 50kA thermally protected MOV’s with surge current levels of 400kA, 600kA, 800kA and 1000kA per phase. This unit is for 'Mission-Critical' environments.

View Details
ASCO Model 460 Surge Protective Device

ASCO Model 465 Surge Protective Device

120-480VAC; 3-Phase Wye, 4-Wire + G | 150-600kA/Phase. The ASCO Model 465 is a modular, DISCRETE 10-MODE, surge protective device capable of diverting high-energy transients. The Model 465 incorporates either single or dual modules that contain multiple, large block MOVs. Each MOV incorporates a thermal disconnecting feature that monitors the status of each inner metal disc and safely removes the component during abnormal conditions.

View Details
ASCO Model 460 Surge Protective Device

ASCO Model 460 Surge Protective Device

120-600VAC | 100-400kA/Phase. A modular surge protective device capable of diverting high-energy transients. The ASCO Model 460 incorporates either single or dual modules that contain multiple, large block MOVs.

View Details
ASCO Model 445 Surge Protective Device

ASCO Model 445 Surge Protective Device

120-600VAC | 150-450kA/Phase. The ASCO Model 445 Surge Protective Device is a non-modular, DISCRETE-10 Mode product incorporating the same design platform as the ASCO Model 460; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories. The Model 445 is ideal for use in distribution and sub-distribution applications and its non-modular construction allows it to be installed in areas where space is limited.

View Details
ASCO Model 440 Surge Protective Device

ASCO Model 440 Surge Protective Device

120-600VAC| 100-300kA/Phase. The ASCO Model 440 Surge Protective Device, is non-modular, incorporating the same design platform as the ASCO Model 460 SPD; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories.

View Details
ASCO Model 430 Surge Protective Device

ASCO Model 430 Surge Protective Device

120-600VAC | 100-200kA/Phase. A surge protective device that offers high-end surge capability at a competitive price. The ASCO Model 430 uses thermally protected MOVs, provides EMI/RFI filtering in a package that focuses on basic features and reliable performance.

View Details
ASCO Model 425 Surge Protective Device

ASCO Model 425 Surge Protective Device

120-600VAC | 100kA/Phase. The ASCO Model 425 Surge Protective Device uses thermally protected MOVs, is designed in a NEMA 4X enclosure, and is tested as a UL 1449 Type 1 device, so it can be placed on the line or load side of the main disconnect.

View Details
ASCO Model 420 Surge Protective Device

ASCO Model 420 Surge Protective Device

120-600VAC | 50kA/Phase. The ASCO Model 420 is a compact Surge Protective Device that protects line to neutral and neutral to ground. The Model 420 uses thermally protected MOVs, is tested as a UL 1449 Type 1 device and is in a NEMA 4X enclosure, making this an ideal choice for both panel and equipment locations.

View Details
ASCO Model 360 Surge Protective Device

ASCO Model 360 Surge Protective Device

120-240VAC | 36-180kA/Phase. The ASCO Model 360 Surge Protective Device utilizes robust 25mm thermally protected MOVs with surge current levels of 36kA to 180kA per phase. With its high energy parallel design for Category C3 and C-High applications, the ASCO Model 360 is an excellent choice for external mounting next to switchgear, motor control centers or panelboards.

View Details
ASCO Model 350 Surge Protective Device

ASCO Model 350 Surge Protective Device

120-480VAC | 25-50kA/Phase. Available with surge current ratings up to 80kA per mode or 160kA per phase. Protects connected equipment against electric power line disturbances and transients in medium exposure locations.

View Details
ASCO Model 330 Surge Protective Device

ASCO Model 330 Surge Protective Device

120 - 480VAC | 160kA/Phase. The ASCO model 330 Surge Protective Device provides highly configurable Voltage designs and 160kA per phase ratings.

View Details
ASCO ACG ( AccuGuide™ ) Interconnect Assembly

ASCO ACG ( AccuGuide™ ) Interconnect Assembly

5-20 feet / 1.5-6.0 meters. ASCO's ACG Series ( AccuGuide™ ) high-performance interconnect assembly maximizes performance by transmitting transients generated by lighting and switching with minimal voltage drops. Each ACG unit includes our patented coaxial cables with minimized inductance. All systems also produce extremely low impedance, unattainable in conventional interconnects.

View Details
ASCO Model 459 – Exterior Circuit Surge Protection Hub

ASCO Model 459 – Exterior Circuit Surge Protection Hub

A surge protected hub designed to simplify compliance with Florida Building Code (FBC) while adopting NEC wiring practices. The ASCO Model 459 Exterior Circuit Surge Protection Hub is a surge protected tap box designed to simplify compliance with Florida Building Code (FBC) articles 449.3.15.6 & 450.3.19.5 while adopting the NEC 314.28 wiring practices. Both FBC articles require all exterior electrical circuits to be surge protected with a dedicated SPD. The ASCO device follows proven NEC wiring practices to ensure safe and secure circuit connections for the operational life of the facility.

View Details
ASCO Model 420 DC Surge Protective Device

ASCO Model 420 DC Surge Protective Device

300-1500VDC | 50kA/Mode. The Industry’s first DC Surge Protective Device (SPD) for use in Photovoltaic applications

View Details

Traffic Cabinet

ASCO Model 331 Surge Protective Device

ASCO Model 331 Surge Protective Device

120/240 VAC | 80kA/Phase. The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

View Details
ASCO Model 259 (Edco SHA-1250-ITS)

ASCO Model 259 (Edco SHA-1250-ITS)

120VAC,15A Traffic Cabinet Protection. The ASCO Model 259 is a surge suppressor and high frequency noise filter for traffic cabinet protection. Model 259 is a modular design that utilizes a 12 pin Beau connector to attach to a hardwire terminal base (Accessory SHA-1250BASEITS) sold separately.

View Details
ASCO Model 258 (Edco SHA-1250) Surge Protective Device

ASCO Model 258 (Edco SHA-1250) Surge Protective Device

120VAC | 45kA/Phase. The ASCO Model 258 Surge Protective Device is an upgraded version of the ASCO Model 257 (Edco ® SHA-1210IRS). The two models are equal in surge protection performance. Model 258 also incorporates two LEDs for failure indicator in a modular package (utilizes 12-pin Beau connector). The hardwire terminal base (SHABA accessory) accommodates all wiring and the protection module is designed for easy replacement.

View Details
ASCO Model 256 (Edco SHA-1235FS) Surge Protective Device

ASCO Model 256 (Edco SHA-1235FS) Surge Protective Device

120VAC | 100kA/Phase. The ASCO Model 256 is a FingerSafe 120VAC single-phase 2W+G, 30A surge suppressor/filter designed to shunt electrical type transients affecting the electrical distribution inside a traffic cabinet.

View Details
ASCO Model 256 (Edco ACP-340LED/540-240LED)

ASCO Model 256 (Edco ACP-340LED/540-240LED)

120 VAC - 240 VAC, 15A Protection for Traffic Cabinets. The ASCO Model 256 is an upgrade to the ASCO Model 254, adding an LED for failure indication and much better lightning protection than the standard Model 254. Model 256 utilizes Thermally-Protected Metal Oxide Varistors (TMOV’s) with an integrated thermally activated element designed to open in the event of overheating due to the abnormal overvoltage, limited current conditions.

View Details
ASCO Model 250 (Edco INXT) Surge Protective Device

ASCO Model 250 (Edco INXT) Surge Protective Device

120 VAC, Single Phase, 2-Wire (L-N). The ASCO Model 250 (Islatrol ® INXT) is a 120VAC, 60A, EMI/RFI filter. The Model 250 is a series-connected device, designed to filter electrical transients impinging on electrical distribution within a traffic control cabinet.

View Details
ASCO Model 235 (Edco SHAS Series)

ASCO Model 235 (Edco SHAS Series)

120-480 VAC, 15A Highway Lighting Protection. The ASCO Model 235 surge protector is a compact watertight device that is designed to be installed directly within a light pole to protect the sensitive lighting ballast or power supply from damaging transients.

View Details
ASCO Model 235 (Edco SHA) Surge Protective Device

ASCO Model 235 (Edco SHA) Surge Protective Device

Single Phase 2W+G | 52kA. The ASCO Model 235 (Edco ® SHA) Surge Protective Device provides surge protection for highway lighting/street pole applications. The suppressor is encapsulated in a compact watertight enclosure that can be installed inside the pole.

View Details
ASCO Model 233 (Edco SPA-100T and SPA-300) Surge Protective Device

ASCO Model 233 (Edco SPA-100T and SPA-300) Surge Protective Device

120VAC | 40kA and 13kA/Mode/Phase/Total (8 x 20μs). The ASCO Model 233 Surge Protective Device is designed to protect sensitive electronic equipment such as traffic controllers, from high energy surges. The Model 233 incorporates MOV technology which clamps these surges before equipment damage occurs.

View Details
ASCO Model 232 (Edco MPA Series) Surge Protective Device

ASCO Model 232 (Edco MPA Series) Surge Protective Device

120VAC | 26kA and 29kA. The ASCO Model 232 (Edco ® MPA) modular output file protector is a modular device intended for use on traffic control load relay outputs. Part numbers 232120NS26KAA9N0 will protect six output circuits and 232120NS26KAA6N0 will protect four output circuits.

View Details
ASCO Model 186 (Edco RM-CAT6-POE) Surge Protective Device

ASCO Model 186 (Edco RM-CAT6-POE) Surge Protective Device

57VDC | 10kA. The ASCO Model 186 Surge Protective Device is a 19” rackmount, 48-channel modular high-speed data line surge protector that utilizes a three-stage hybrid design topology to protect critical Category 6 equipment from damaging transient voltages. The Model 186 is ideal for network switches, hubs and other sensitive IT equipment.

View Details
ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

Low Voltage DC | 10kA ethernet. The ASCO Model 185 Surge Protective Device is designed to work on Category 6 Power-Over-Ethernet transmission line applications and is ideal for protecting expensive computer and video equipment from damaging surges and transients.

View Details
ASCO Model 175 (Edco PC642 Series) Surge Protective Device

ASCO Model 175 (Edco PC642 Series) Surge Protective Device

Low Voltage DC | 10kA (8 x 20µs). The ASCO Model 175, (Edco ® PC-642) Surge Protective Device employs three-stage hybrid technology to address over-voltage transients and sneak and fault current for phones, data/communication lines and transmitters.

View Details
ASCO Model 151 (Edco FAS-1 & FAS-2) Surge Protective Device

ASCO Model 151 (Edco FAS-1 & FAS-2) Surge Protective Device

Low Voltage | 10kA. The ASCO Model 151 is a multi-stage, single pair or two pair surge suppressors designed for high exposure applications. These products were specifically designed to meet multiple low voltage protection applications in the fire and security industries.

View Details
ASCO Model 149 (Edco SRS-BIU-15) Surge Protective Device

ASCO Model 149 (Edco SRS-BIU-15) Surge Protective Device

Low Voltage DC | 47kA. The ASCO Model 149 is a 15 pin surge suppressor used for protection of all devices on Port 1 Synchronous Data Link Control (SDLC).

View Details
ASCO Model 145 (Edco MRA-6LC-6) Surge Protective Device

ASCO Model 145 (Edco MRA-6LC-6) Surge Protective Device

75VDC | 250A. The ASCO Model 145 is a modular Surge Protective Device utilizing solid state silicon fold-over technology. Model 145 is designed for any traffic controller cabinet equipped with 6 position, 5.08mm spacing sockets wired in line with load relay outputs.

View Details
ASCO Model 109 (LV-DIN-Rail) Surge Protective Device

ASCO Model 109 (LV-DIN-Rail) Surge Protective Device

12-60VDC | 15kA. The ASCO Model 109 is intended for use on a wide range of low voltage applications inside appropriate enclosures, including high speed communication circuits. Terminals are fingersafe. It includes three stage high-energy surge suppression in a Pi (π) configuration: • 1st Stage: Parallel-connected Gas Discharge Tubes • 2nd Stage: Series-connected impedance • 3rd Stage: Parallel-connected Transorbs

View Details
ASCO Model 108 (APT D60401-B) Surge Protective Device

ASCO Model 108 (APT D60401-B) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 108 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. B-suffix= ‘Bandwidth’ - for Digital or High-Frequency Data up to 35MHz.

View Details
ASCO Model 107 (APT D60401-S) Surge Protective Device

ASCO Model 107 (APT D60401-S) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 107 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. S-suffix: ‘Standard’ - for Analog, DC voltage, or low-frequency data to 600kHz

View Details

Voltage Monitoring Products

ASCO Model 465 Surge Protective Device with Active Surge MonitorTM

ASCO Model 465 Surge Protective Device with Active Surge MonitorTM

120-480VAC; 3-Phase Wye, 4-Wire + G | 150-600kA/Phase. The ASCO Model 465 is a modular, DISCRETE 10-MODE, surge protective device capable of diverting high-energy transients. The Model 465 incorporates either single or dual modules that contain multiple, large block MOVs. Each MOV incorporates a thermal disconnecting feature that monitors the status of each inner metal disc and safely removes the component during abnormal conditions. The Model 465 is equipped with the latest Active Surge Monitor for voltage monitoring.

View Details
ASCO Model 465 Surge Protective Device with Active Surge MonitorTM

ASCO Model 460 Surge Protective Device with Active Surge MonitorTM

120-600VAC | 100-400kA/Phase. A modular surge protective device capable of diverting high-energy transients. The ASCO Model 460 incorporates either single or dual modules that contain multiple, large block MOVs. Model 460 is equipped with the latest Active Surge Monitor for voltage monitoring.

View Details
ASCO Model 445 Surge Protective Device with Active Surge MonitorTM

ASCO Model 445 Surge Protective Device with Active Surge MonitorTM

120-600VAC | 150-450kA/Phase. The ASCO Model 445 Surge Protective Device is a non-modular, DISCRETE-10 Mode product incorporating the same design platform as the ASCO Model 460; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories. Model 445 is ideal for use in distribution and sub-distribution applications and its non-modular construction allows it to be installed in areas where space is limited. Model 445 is equipped with the latest Active Surge Monitor for voltage monitoring.

View Details
ASCO Model 445 Surge Protective Device with Active Surge MonitorTM

ASCO Model 440 Surge Protective Device with Active Surge MonitorTM

120-600VAC | 100-300kA/Phase. The ASCO Model 440 Surge Protective Device, is non-modular, incorporating the same design platform as the ASCO Model 460 SPD; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories. Model 440 is equipped with the latest Active Surge Monitor for voltage monitoring.

View Details

Video/Security/Fire

ASCO Model 331 Surge Protective Device

ASCO Model 331 Surge Protective Device

120/240 VAC | 80kA/Phase. The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

View Details
ASCO Model 238 (Edco TCS-HWR) Surge Protective Device

ASCO Model 238 (Edco TCS-HWR) Surge Protective Device

120V | L-N: 32 kA, L-G: 8 kA, N-G: 8 kA. Utilizing bipolar Silicon Avalanche Diode (SAD) technology, the ASCO Model 238 features a two-stage design that provides superior protection for sensitive equipment and for ANSI/IEEE C62.41 Location Category A applications.

View Details
ASCO Model 237 (Edco FAS-120AC) Surge Protective Device

ASCO Model 237 (Edco FAS-120AC) Surge Protective Device

120VAC | 15.5 kA (8 x 20 μs). The ASCO Model 237 (Edco ® FAS-120AC) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment.

View Details
ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

Low Voltage DC | 10kA ethernet. The ASCO Model 185 Surge Protective Device is designed to work on Category 6 Power-Over-Ethernet transmission line applications and is ideal for protecting expensive computer and video equipment from damaging surges and transients.

View Details
ASCO Model 184 (Edco CAT6-5POE) Surge Protective Device

ASCO Model 184 (Edco CAT6-5POE) Surge Protective Device

Low Voltage DC | 60A ethernet. The ASCO Model 184 is designed to work on Category 5 Power-over-Ethernet transmission lines as well as Category 6 applications. It is ideal to protect expensive equipment against surges and transients entering a building on exposed transmission lines.

View Details
ASCO Model 175 (Edco PC642 Series) Surge Protective Device

ASCO Model 175 (Edco PC642 Series) Surge Protective Device

Low Voltage DC | 10kA (8 x 20µs). The ASCO Model 175, (Edco ® PC-642) Surge Protective Device employs three-stage hybrid technology to address over-voltage transients and sneak and fault current for phones, data/communication lines and transmitters.

View Details
ASCO Model 174 (Edco SLCP Series) Surge Protective Device

ASCO Model 174 (Edco SLCP Series) Surge Protective Device

Low Voltage DC | 250A. The ASCO Model 174 Surge Protective Device is a gold-plated, double-sided card edge module and is designed to mate with the ASCO PCB1B gold-plated female terminal connector (sold separately). When snapped together, the data circuits “pass thru” the protector in a serial fashion from the four “Field Side” terminals to the four “Electronics Side” terminals.

View Details
ASCO Model 172 (Edco PHC Series) Surge Protective Device

ASCO Model 172 (Edco PHC Series) Surge Protective Device

Low Voltage DC | 10kA. The ASCO Model 172 Surge Protective Device is designed to protect two pairs of wires specifically for alarm and security systems where operating currents can be as high as 5 Amps. Electrically, the Model 172 is a rugged series hybrid implementing a staged complement of MOVs, copper wound inductors and Silicon Avalanche Diodes. This design reduces series resistance to 0.2 ohms per pair. These products are intended to mate with a PCB1B gold-plated female terminal connector accessory.

View Details
ASCO Model 166 (Edco CX-HFN) Surge Protective Device

ASCO Model 166 (Edco CX-HFN) Surge Protective Device

Low Voltage DC | 1A. The ASCO Model 166 Surge Protective Device is designed to protect sensitive electronic equipment from damage due to excessive voltage or currents generated by lightning or static build-up. It offers low signal loss at frequencies up to 3 gigahertz.

View Details
ASCO Model 160 (Edco CX-06 Series) Surge Protective Device

ASCO Model 160 (Edco CX-06 Series) Surge Protective Device

Low Voltage DC | 10kA. The ASCO Model 160 Surge Protective Devices (SPDs) implement three-stage hybrid technology. The SPDs address over-voltage transients with a primary Gas Discharge Tube (GDT) and secondary Silicon Avalanche Diode (SAD) components. Over-current protection, e.g. sneak and fault currents, are mitigated with solid-state resettable fuses — PTCs.

View Details
ASCO Model 159 (Edco HVCP Series) Surge Protective Device

ASCO Model 159 (Edco HVCP Series) Surge Protective Device

Low Voltage DC | 10kA coax. The ASCO Model 159 Surge Protective Device is a hybrid surge protection product featuring DC power, data and video protection in one package. Each separate circuit is capable of handling high-current impulses while tightly clamping transients and allowing critical power and data to be transmitted.

View Details
ASCO Model 151 (Edco FAS-1 & FAS-2) Surge Protective Device

ASCO Model 151 (Edco FAS-1 & FAS-2) Surge Protective Device

Low Voltage | 10kA. The ASCO Model 151 is a multi-stage, single pair or two pair surge suppressors designed for high exposure applications. These products were specifically designed to meet multiple low voltage protection applications in the fire and security industries.

View Details
ASCO Model 150 (Edco TER Series) Surge Protective Device

ASCO Model 150 (Edco TER Series) Surge Protective Device

Low Voltage DC | 0.047kA. The ASCO Model 150 Surge Protective Device miniature size fits directly inside fire or security panels, analog video housings and other system electronic enclosures. These features maximize surge suppression performance while reducing hardware and labor costs to install.

View Details
ASCO Model 146 (Edco PLP-S) Surge Protective Device

ASCO Model 146 (Edco PLP-S) Surge Protective Device

5, 14, 30, 60, 140, 200 VDC | 0.4kA. The ASCO Model 146 provides isolated power loop circuit protection in applications where higher current is required, such as fire alarm and security systems.

View Details
ASCO Model 132 (Edco OPX-48 & OPX-CLN)Surge Protective Device

ASCO Model 132 (Edco OPX-48 & OPX-CLN)Surge Protective Device

12, 24, 42 VDC | 124A, 72A, 45A. The ASCO Model 132 Surge Protective Device are specifically designed for medium exposure applications. The protectors can be used on pairs inside a building or outside the building in conduit up to 500 feet. These protectors are intended to be used in conjunction with the MGB Ground Rail and a standard MI-50 Punch Down Block.

View Details
ASCO Model 131 (Edco OPX-SPK) Surge Protective Device

ASCO Model 131 (Edco OPX-SPK) Surge Protective Device

35 VDC | 0.200kA. The ASCO Model 131 surge protector is specificallydesigned for medium exposure applications. Thus, the protector can be used on pairs inside a building or leaving the building in conduit up to 500 feet. This protection is intended to be used in conjunction with the ASCO MGBW Ground Rail and a standard MI-50 Punch Down Block.

View Details

Industrial/Control Panel

ASCO Model 460 Surge Protective Device

ASCO Model 460 Surge Protective Device

120-600VAC | 100-400kA/Phase. A modular surge protective device capable of diverting high-energy transients. The ASCO Model 460 incorporates either single or dual modules that contain multiple, large block MOVs.

View Details
ASCO Model 450 Surge Protective Device

ASCO Model 450 Surge Protective Device

120-600VAC | 100-300kA/Phase. The ASCO Model 450 Surge Protective Device utilizes uni-modular replaceable module design with large block 50kA thermal protected MOVs with surge current levels of 100kA, 150kA, 200kA, 250kA and 300kA per phase.

View Details
ASCO Model 440 Surge Protective Device

ASCO Model 440 Surge Protective Device

120-600VAC| 100-300kA/Phase. The ASCO Model 440 Surge Protective Device, is non-modular, incorporating the same design platform as the ASCO Model 460 SPD; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories.

View Details
ASCO Model 430 Surge Protective Device

ASCO Model 430 Surge Protective Device

120-600VAC | 100-200kA/Phase. A surge protective device that offers high-end surge capability at a competitive price. The ASCO Model 430 uses thermally protected MOVs, provides EMI/RFI filtering in a package that focuses on basic features and reliable performance.

View Details
ASCO Model 425 Surge Protective Device

ASCO Model 425 Surge Protective Device

120-600VAC | 100kA/Phase. The ASCO Model 425 Surge Protective Device uses thermally protected MOVs, is designed in a NEMA 4X enclosure, and is tested as a UL 1449 Type 1 device, so it can be placed on the line or load side of the main disconnect.

View Details
ASCO Model 420 Surge Protective Device

ASCO Model 420 Surge Protective Device

120-600VAC | 50kA/Phase. The ASCO Model 420 is a compact Surge Protective Device that protects line to neutral and neutral to ground. The Model 420 uses thermally protected MOVs, is tested as a UL 1449 Type 1 device and is in a NEMA 4X enclosure, making this an ideal choice for both panel and equipment locations.

View Details
ASCO Model 340 (APT G Series)

ASCO Model 340 (APT G Series)

Custom Configured & Manufactured SPD for the OEM & Volume Markets. The Model 340 (APT G Series) Surge Protectors utilize robust 25mm thermally protected MOVs with surge current levels of 40 kA to 160kA per phase. With high energy parallel design for Category C3 and C-High applications, Model 340 is great for external mounting next to switchgear, motor control centers or panelboards.

View Details
ASCO Model 331 Surge Protective Device

ASCO Model 331 Surge Protective Device

120/240 VAC | 80kA/Phase. The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

View Details
ASCO Model 318 Surge Protective Device

ASCO Model 318 Surge Protective Device

20-600VAC / 600-1000VDC(PV) | 25-50kA/Phase. The ASCO Model 318 DIN-Rail Mounted Surge Protective Device, makes it easy to embed state of the art transient protection into automated processes and provide protection for sensitive circuits. The ASCO Model 318 Surge Protective Devices use large block MOVs with a patented thermal detection circuit, eliminating the need for separate overcurrent fusing; allowing for a smaller footprint where space is an issue.

View Details
ASCO Model 310 Surge Protective Device

ASCO Model 310 Surge Protective Device

120/208 - 346/600VAC | 40kA. The ASCO Model 310 (DRS Series) Surge Protective Device is designed to be easily installed in power and control panels using standard DIN-rail mounting brackets. The ASCO Model 310 offers 40,000 amps of both normal and common mode surge protection. It's available in single phase, split phase, three phase (3 wires) and three phase (4 wires) configurations.

View Details
ASCO Model 277 (Islatrol IE) Surge Protective Device

ASCO Model 277 (Islatrol IE) Surge Protective Device

120/240VAC | 45kA. The ASCO Model 277 (Islatrol ® IE) is a series-connected DIN or flange mounted high frequency noise filter and surge suppressor. Its ideal applications include critical industrial loads drawing up to 20 Amps of continuous current, while typical applications include any microprocessor-based products, including industrial PLCs, OEM applications, and motion control systems.

View Details
ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

120 Volt: 150 VRMS / 240 Volt: 275 VRMS | 45kA Per Phase. The ASCO Model 275 (Islatrol ® IC+ Series) AC Power Filter is a series connected high-frequency noise filter with transient protection. It offers the flexibility of either receptacle/line cord connection or hard-wired connection to critical loads (up to 30 Amperes). Applications include industrial or office equipment, computers placed in harsh environments.

View Details
ASCO Model 270 (Islatrol E) DC Surge Protective Device

ASCO Model 270 (Islatrol E) DC Surge Protective Device

0-215VDC | 5-7.5A. ASCO Model 270 (Islatrol ® E) Surge Protective Device provides continuous sine wave Active Tracking Filtering, normal mode (L-L or L-N), for protection from spikes, transients and noise. Available in either hardwired, printed circuit board mount, wire lead mount or single receptacle/line cord configurations, single phase or three phase, 50/60 Hz.

View Details
ASCO Model 265 (Edco SLAC) Surge Protective Device

ASCO Model 265 (Edco SLAC) Surge Protective Device

120VAC or 0-30VDC | 39kA. The ASCO Model 265 Surge Protective Device is specifically designed to protect electronic instrumentation utilized by the water/wastewater industries. It combines hybrid AC power protection and signal line protection in a NEMA-4X polycarbonate case. The AC power suppressor can supply up to 1,875 Watts and has a 15A replaceable fuse to prevent overloading of the protective elements. The “Power On” LED provides visual indication that power is applied to instruments.

View Details
ASCO Model 252 (Edco HSP Series) Surge Protective Device

ASCO Model 252 (Edco HSP Series) Surge Protective Device

120VAC | 39kA/Phase. The ASCO Model 252 Surge Protective Device is an advanced three-stage hybrid, solid state power line protector. Features such as noise filtering, common mode and normal mode suppression, nanosecond reaction time, power line tracking, and compression screw terminations, make the Model 252 Surge Protective Device an excellent choice in commercial and industrial applications.

View Details
ASCO Model 205 (Edco DRS) Surge Protective Device

ASCO Model 205 (Edco DRS) Surge Protective Device

120VAC | 20kA/Phase. The ASCO Model 205 (Edco ® DRS) is a series or parallel connected Surge Protective Device (SPD) with high-frequency noise attenuation. The Model 205 offers the convenience of DIN mount installations up to 10 amps. Applications include sensitive industrial equipment placed in harsh environments.

View Details
ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

ASCO Model 185 (Edco CAT6-POE) Ethernet Surge Protective Device

Low Voltage DC | 10kA ethernet. The ASCO Model 185 Surge Protective Device is designed to work on Category 6 Power-Over-Ethernet transmission line applications and is ideal for protecting expensive computer and video equipment from damaging surges and transients.

View Details
ASCO Model 175 (Edco PC642 Series) Surge Protective Device

ASCO Model 175 (Edco PC642 Series) Surge Protective Device

Low Voltage DC | 10kA (8 x 20µs). The ASCO Model 175, (Edco ® PC-642) Surge Protective Device employs three-stage hybrid technology to address over-voltage transients and sneak and fault current for phones, data/communication lines and transmitters.

View Details
ASCO Model 157 (Edco SS64 & SS65) Surge Protective Device

ASCO Model 157 (Edco SS64 & SS65) Surge Protective Device

0-28VDC | 10kA. The ASCO Model 157 Surge Protective Device is designed for the water and wastewater industry. These multi-stage hybrid suppressors address over-voltage transients with gas tube and silicon avalanche technology. In addition, sneak and fault currents are mitigated with PTC devices which consist of solid-state resettable fuses.

View Details
ASCO Model 108 (APT D60401-B) Surge Protective Device

ASCO Model 108 (APT D60401-B) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 108 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. B-suffix= ‘Bandwidth’ - for Digital or High-Frequency Data up to 35MHz.

View Details
ASCO Model 107 (APT D60401-S) Surge Protective Device

ASCO Model 107 (APT D60401-S) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 107 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. S-suffix: ‘Standard’ - for Analog, DC voltage, or low-frequency data to 600kHz

View Details
ASCO Model 105 (Edco DRS) Surge Protective Device

ASCO Model 105 (Edco DRS) Surge Protective Device

6, 12, 24, 30, 35VDC | 10kA. The ASCO Model 105 is a DIN-rail mountable, single pair surge suppression module implementing three-stage hybrid technology. This module addresses over-voltage transients with gas tubes and silicon avalanche components. In addition, sneak currents are mitigated with resettable fuses (PTCs). The Model 105 mounts onto a standard 35mm industrial DIN-rail.

View Details

Speciality

ASCO Model 950 (MVF Series) Surge Protective Device

ASCO Model 950 (MVF Series) Surge Protective Device

Medium Voltage | 1,000-4,100 VAC | 120kA / 240kA Per Phase. The ASCO Model 950 (MVF Series) in a Medium Voltage Surge Device with a dedicated fuse box and is intended for light industrial and heavy duty applications.

View Details
ASCO Model 575 Surge Protective Device

ASCO Model 575 Surge Protective Device

120VAC | 20kA (SAD) / 160kA (MOV) per Mode. The ASCO Model 575 R56 Surge Protective Device utilizes advanced SAD/MOV array technology for industry leading transient suppression voltages and offers a true, coordinated multi-stage system of suppression.

View Details
ASCO Model 565 Surge Protective Device

ASCO Model 565 Surge Protective Device

120-480VAC | 160kA (MOV) Per Mode. The ASCO Model 565 Surge Protective Device (SPD) is approved by Motorola R56 Committee, Standards and Guidelines for Communication Sites - Type 2 Device.

View Details
ASCO Model 453 Surge Protective Device

ASCO Model 453 Surge Protective Device

120-600VAC | 300-450kA/Phase. The ASCO Model 453 Surge Protective Device is designed for “Mission-Critical” environments — offering our highest kA internal-mount (SPD); including surge current levels of 300kA and 450kA per phase and featuring a uni-modular replaceable module design with large block 50kA thermally protected MOVs.

View Details
ASCO Model 452 Surge Protective Device

ASCO Model 452 Surge Protective Device

120-600VAC | 200-500kA/Phase. The ASCO Model 452 Surge Protective Device is designed for “Mission-Critical” environments — offering our highest kA internal-mount (SPD); including surge current levels of 200kA, 250kA, 300kA, 400kA, 450kA, and 500kA per phase and featuring a uni-modular replaceable module design with large block 50kA thermally protected MOVs.

View Details
ASCO Model 451 Surge Protective Device

ASCO Model 451 Surge Protective Device

120-480VAC | 150-300kA/Phase. The ASCO Model 451 Surge Protective Device utilizes uni-modular replaceable module design with large block 50kA thermal protected MOVs with surge current levels of 150kA or 300kA per phase. Discrete All-Mode Protection

View Details
ASCO Model 450 Surge Protective Device

ASCO Model 450 Surge Protective Device

120-600VAC | 100-300kA/Phase. The ASCO Model 450 Surge Protective Device utilizes uni-modular replaceable module design with large block 50kA thermal protected MOVs with surge current levels of 100kA, 150kA, 200kA, 250kA and 300kA per phase.

View Details
ASCO Model 360 Surge Protective Device

ASCO Model 360 Surge Protective Device

120-240VAC | 36-180kA/Phase. The ASCO Model 360 Surge Protective Device utilizes robust 25mm thermally protected MOVs with surge current levels of 36kA to 180kA per phase. With its high energy parallel design for Category C3 and C-High applications, the ASCO Model 360 is an excellent choice for external mounting next to switchgear, motor control centers or panelboards.

View Details
ASCO Model 335 Surge Protective Device

ASCO Model 335 Surge Protective Device

120-240VAC | 72-180kA/Phase. The ASCO Model 335 Surge Protective Device shields motor-driven appliances in residential and light commercial applications against electrical power surge damage entering through the main electrical service panel.

View Details
ASCO Model 331 Surge Protective Device

ASCO Model 331 Surge Protective Device

120/240 VAC | 80kA/Phase. The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

View Details
ASCO Model 318 Surge Protective Device

ASCO Model 318 Surge Protective Device

20-600VAC / 600-1000VDC(PV) | 25-50kA/Phase. The ASCO Model 318 DIN-Rail Mounted Surge Protective Device, makes it easy to embed state of the art transient protection into automated processes and provide protection for sensitive circuits. The ASCO Model 318 Surge Protective Devices use large block MOVs with a patented thermal detection circuit, eliminating the need for separate overcurrent fusing; allowing for a smaller footprint where space is an issue.

View Details
ASCO Model 310 Surge Protective Device

ASCO Model 310 Surge Protective Device

120/208 - 346/600VAC | 40kA. The ASCO Model 310 (DRS Series) Surge Protective Device is designed to be easily installed in power and control panels using standard DIN-rail mounting brackets. The ASCO Model 310 offers 40,000 amps of both normal and common mode surge protection. It's available in single phase, split phase, three phase (3 wires) and three phase (4 wires) configurations.

View Details
ASCO Model 277 (Islatrol IE) Surge Protective Device

ASCO Model 277 (Islatrol IE) Surge Protective Device

120/240VAC | 45kA. The ASCO Model 277 (Islatrol ® IE) is a series-connected DIN or flange mounted high frequency noise filter and surge suppressor. Its ideal applications include critical industrial loads drawing up to 20 Amps of continuous current, while typical applications include any microprocessor-based products, including industrial PLCs, OEM applications, and motion control systems.

View Details
ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

120 Volt: 150 VRMS / 240 Volt: 275 VRMS | 45kA Per Phase. The ASCO Model 275 (Islatrol ® IC+ Series) AC Power Filter is a series connected high-frequency noise filter with transient protection. It offers the flexibility of either receptacle/line cord connection or hard-wired connection to critical loads (up to 30 Amperes). Applications include industrial or office equipment, computers placed in harsh environments.

View Details
ASCO Model 270 (Islatrol E) DC Surge Protective Device

ASCO Model 270 (Islatrol E) DC Surge Protective Device

0-215VDC | 5-7.5A. ASCO Model 270 (Islatrol ® E) Surge Protective Device provides continuous sine wave Active Tracking Filtering, normal mode (L-L or L-N), for protection from spikes, transients and noise. Available in either hardwired, printed circuit board mount, wire lead mount or single receptacle/line cord configurations, single phase or three phase, 50/60 Hz.

View Details
ASCO Model 265 (Edco SLAC) Surge Protective Device

ASCO Model 265 (Edco SLAC) Surge Protective Device

120VAC or 0-30VDC | 39kA. The ASCO Model 265 Surge Protective Device is specifically designed to protect electronic instrumentation utilized by the water/wastewater industries. It combines hybrid AC power protection and signal line protection in a NEMA-4X polycarbonate case. The AC power suppressor can supply up to 1,875 Watts and has a 15A replaceable fuse to prevent overloading of the protective elements. The “Power On” LED provides visual indication that power is applied to instruments.

View Details
ASCO Model 252 (Edco HSP Series) Surge Protective Device

ASCO Model 252 (Edco HSP Series) Surge Protective Device

120VAC | 39kA/Phase. The ASCO Model 252 Surge Protective Device is an advanced three-stage hybrid, solid state power line protector. Features such as noise filtering, common mode and normal mode suppression, nanosecond reaction time, power line tracking, and compression screw terminations, make the Model 252 Surge Protective Device an excellent choice in commercial and industrial applications.

View Details
ASCO Model 247 (Islatrol®) Surge Protective Device

ASCO Model 247 (Islatrol®) Surge Protective Device

120VAC | 40kA/Phase. The ASCO Model 247 (Islatrol ® RM) Rackmount Surge Protective Device is ideal for protecting the power feeding valuable rack equipment. Status LEDs indicate the correct power is coming to the unit, whether the unit is properly grounded and whether the surge components are still intact. Units are available with an optional digital meter, mounted on the front of the unit, which will monitor the voltage, current and power of the protected equipment.

View Details
ASCO Model 243 (Edco PS-6DL) Surge Protective Device

ASCO Model 243 (Edco PS-6DL) Surge Protective Device

120 VAC | 30kA (L-N), 15kA (L-G, N-G). The ASCO Model 243 transient voltage surge protector is ideal for home/office PCs and other desktop equipment that requires clean power. Model 243 is rated 120V, 15A max. and contains six protected outlets.

View Details
ASCO Model 241 (Powersure ACTVSS) Surge Protective Device

ASCO Model 241 (Powersure ACTVSS) Surge Protective Device

120-240VAC: 2 Wire | 10kA. The ASCO Model 241 (Powersure ACTVSS) Surge Protective Device is a plug-in surge protector for single phase UPS products and other sensitive electronics. It is a high-quality power conditioning solution that protects the connected equipment against power surges and transients.

View Details
ASCO Model 235 (Edco SHA) Surge Protective Device

ASCO Model 235 (Edco SHA) Surge Protective Device

Single Phase 2W+G | 52kA. The ASCO Model 235 (Edco ® SHA) Surge Protective Device provides surge protection for highway lighting/street pole applications. The suppressor is encapsulated in a compact watertight enclosure that can be installed inside the pole.

View Details
ASCO Model 205 (Edco DRS) Surge Protective Device

ASCO Model 205 (Edco DRS) Surge Protective Device

120VAC | 20kA/Phase. The ASCO Model 205 (Edco ® DRS) is a series or parallel connected Surge Protective Device (SPD) with high-frequency noise attenuation. The Model 205 offers the convenience of DIN mount installations up to 10 amps. Applications include sensitive industrial equipment placed in harsh environments.

View Details
ASCO Model 186 (Edco RM-CAT6-POE) Surge Protective Device

ASCO Model 186 (Edco RM-CAT6-POE) Surge Protective Device

57VDC | 10kA. The ASCO Model 186 Surge Protective Device is a 19” rackmount, 48-channel modular high-speed data line surge protector that utilizes a three-stage hybrid design topology to protect critical Category 6 equipment from damaging transient voltages. The Model 186 is ideal for network switches, hubs and other sensitive IT equipment.

View Details
ASCO Model 160 (Edco RM-CX06-16R) Surge Protective Device

ASCO Model 160 (Edco RM-CX06-16R) Surge Protective Device

5VDC | 20kA coax. The ASCO Model 160 Surge Protective Device is a 16-channel coax SPD implementing three-stage hybrid technology. The SPD addresses overvoltage transients with a primary Gas Discharge Tube (GDT), and secondary Silicon Avalanche Diode (SAD) components. Sneak and fault currents are mitigated with new solid-state resettable fuses — PTCs. The Model 160 rackmount unit is designed in accordance with NFPA 780 (2004 edition) requirements, with up to 20 kA of surge current capability.

View Details
ASCO Model 157 (Edco SS64 & SS65) Surge Protective Device

ASCO Model 157 (Edco SS64 & SS65) Surge Protective Device

0-28VDC | 10kA. The ASCO Model 157 Surge Protective Device is designed for the water and wastewater industry. These multi-stage hybrid suppressors address over-voltage transients with gas tube and silicon avalanche technology. In addition, sneak and fault currents are mitigated with PTC devices which consist of solid-state resettable fuses.

View Details
ASCO Model 109 (LV-DIN-Rail) Surge Protective Device

ASCO Model 109 (LV-DIN-Rail) Surge Protective Device

12-60VDC | 15kA. The ASCO Model 109 is intended for use on a wide range of low voltage applications inside appropriate enclosures, including high speed communication circuits. Terminals are fingersafe. It includes three stage high-energy surge suppression in a Pi (π) configuration: • 1st Stage: Parallel-connected Gas Discharge Tubes • 2nd Stage: Series-connected impedance • 3rd Stage: Parallel-connected Transorbs

View Details
ASCO Model 108 (APT D60401-B) Surge Protective Device

ASCO Model 108 (APT D60401-B) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 108 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. B-suffix= ‘Bandwidth’ - for Digital or High-Frequency Data up to 35MHz.

View Details
ASCO Model 107 (APT D60401-S) Surge Protective Device

ASCO Model 107 (APT D60401-S) Surge Protective Device

7, 15, 28, 52, 64VDC | 15kA. The ASCO Model 107 Surge Protective Devices with finger-safe terminals are intended for use on a wide range of low voltage applications inside appropriate enclosures, including high-speed communication circuits. S-suffix: ‘Standard’ - for Analog, DC voltage, or low-frequency data to 600kHz

View Details
ASCO Model 105 (Edco DRS) Surge Protective Device

ASCO Model 105 (Edco DRS) Surge Protective Device

6, 12, 24, 30, 35VDC | 10kA. The ASCO Model 105 is a DIN-rail mountable, single pair surge suppression module implementing three-stage hybrid technology. This module addresses over-voltage transients with gas tubes and silicon avalanche components. In addition, sneak currents are mitigated with resettable fuses (PTCs). The Model 105 mounts onto a standard 35mm industrial DIN-rail.

View Details
ASCO ACG ( AccuGuide™ ) Interconnect Assembly

ASCO ACG ( AccuGuide™ ) Interconnect Assembly

5-20 feet / 1.5-6.0 meters. ASCO's ACG Series ( AccuGuide™ ) high-performance interconnect assembly maximizes performance by transmitting transients generated by lighting and switching with minimal voltage drops. Each ACG unit includes our patented coaxial cables with minimized inductance. All systems also produce extremely low impedance, unattainable in conventional interconnects.

View Details

Need a technical document?

Search our download center to find drawings, manuals and data sheets for your product.

Need support?

Contact our support team for technical help and information.