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Transfer Switches

Automatic transfer switches

Automatic Transfer Switches (ATS) connect facilities to backup power without human intervention. ASCO Power Technologies offers a range of ATS to improve power availability with products that easily transfer loads between utility and backup power sources. ASCO ATS are listed to UL 1008 and designed to work with virtually any generator. Browse our ATS products to find a unit to support applications from commercial businesses to mission-critical facilities.

ASCO 4000 SERIES Power Transfer Switch

ASCO 4000 SERIES Power Transfer Switch

For Industrial Applications Transfer loads between alternate sources of power regardless of ampacity size efficiently with ASCO 4000 SERIES Power Transfer Switches made possible with reliable, field proven solenoid operating mechanisms. Combined with programmable microprocessor controllers, they offer the most advanced method of transferring loads.

ASCO 7000 SERIES Power Transfer Switch

ASCO 7000 SERIES Power Transfer Switch

For Mission Critical Applications ASCO Power Transfer Switches are the standard of the industry. High speed transfer of loads between alternate sources of power, regardless of ampacity, is achieved using a reliable, field-proven solenoid operating mechanism. When combined with a programmable microprocessor controller with keypad and LCD display, they offer the most advanced method of transferring all types of loads, such as motors, electronic drives, UPS’s and microprocessor-based systems.

ASCO 7000 SERIES Medium Voltage Transfer Switch

ASCO 7000 SERIES Medium Voltage Transfer Switch

For Mission Critical Applications ASCO protects medium voltage loads by offering maintainable and highly proven power transfer switches. The switches can be configured with protective relays and other options to meet specific project requirements.

ASCO SERIES 300 Group G Power Transfer Switch

ASCO SERIES 300 Group G Power Transfer Switch

For Commercial or Light Industrial Use Automatically transfer critical loads in the event of a power outage with the ASCO SERIES 300. Rugged construction and proven performance assure the user of many years of reliability.

ASCO SERIES 185 Power Transfer Switch

ASCO SERIES 185 Power Transfer Switch

For Residential or Light Commercial Use Get all the intelligence your optional standby system needs to make sure power stays on when the utility fails, with ASCO SERIES 185 Power Transfer Switches. When utility power has been restored, this line of power transfer switches will automatically transfer your loads back to utility and shut down the generator, saving fuel and standing ready to address the next utility failure.

Bypass isolation transfer switches

Bypass Isolation Transfer Switches enable backup power to flow to loads even during transfer switch maintenance events. They are routinely used by healthcare centers, media companies, data centers, government institutions, industrial plants, and mission-critical facilities. Bypass Isolation Transfer Switches are available in a range of configurations to optimize emergency power system performance. They offer added features, including intelligent self-diagnostics and customizable transfer sequences. Learn how to mitigate the risk of power outages – evaluate the models below.

ASCO 4000 SERIES Bypass Isolation Transfer Switch

ASCO 4000 SERIES Bypass Isolation Transfer Switch

For Industrial Use The ASCO 4000 SERIES Bypass Isolation Transfer Switch provides the necessary capabilities and features required to reliably transfer critical loads between differing power sources. It can shunt its primary transfer mechanism at the touch of a button using a new electrical operator.

ASCO 7000 SERIES Bypass Isolation Transfer Switch

ASCO 7000 SERIES Bypass Isolation Transfer Switch

For Mission Critical Applications ASCO 7000 SERIES Automatic Transfer & Bypass-Isolation Switches are available in open transition, closed transition, and delayed transition designs. The bypass and isolation features allow the primary automatic transfer switch to be inspected, tested, and maintained without interrupting power to the load. They also provide redundant power transfer if the ATS is disabled or removed from service.

Service entrance transfer switches

Service Entrance Transfer Switches from ASCO Power Technologies integrate transfer switches with a service disconnect breaker while providing a means for a facility to connect to a backup power source when needed. Our field-proven service entrance-rated models eliminate the need to install multiple devices, resulting in simpler procurement, streamlined installation, and lower overall installed costs. Learn more about these designs below.

ASCO 7000 SERIES Service Entrance Transfer Switch

ASCO 7000 SERIES Service Entrance Transfer Switch

For Mission Critical Applications Our line of ASCO 7000 SERIES Service Entrance Power Transfer Switch combines automatic power switching with a disconnect and overcurrent protective device on the utility source. These are typically installed at facilities that have a single utility feed and a single emergency power source.

ASCO SERIES 300 Service Entrance Manual Trans. Switch

ASCO SERIES 300 Service Entrance Manual Trans. Switch

For Commercial or Light Industrial Use When power fails, businesses suffer. For some organizations, a permanent generator is too costly. Instead, a permanent means for quickly connecting a portable or temporary generator can make economic sense. Installing a manual transfer switch and a connecting means can provide an adequate and cost effective solution. This equipment can provide access for an alternate power source when a generator malfunctions or is removed from service for maintenance.

ASCO SERIES 300 Service Entrance Power Transfer Switch

ASCO SERIES 300 Service Entrance Power Transfer Switch

For Commercial or Light Industrial Use Automatically transfer critical loads in the event of a power outage with the ASCO SERIES 300. Rugged construction and proven performance assure the user of many years of reliability.

Manual transfer switches

Manual transfer switches are the simplest means of transferring load between power sources. With break-before-make switching sequences, these switches cost-effectively transfer loads between utility and backup power sources. They enable homes, commercial businesses, and industrial facilities to make the most of their resources and connect to temporary or supplemental generators. ASCO Manual Transfer Switches offer robust features that help prevent facilities from sacrificing productivity lost to power interruptions. Browse the ASCO Manual Transfer Switch range below.

ASCO SERIES 300 Quick Connect Panel with Breakers

ASCO SERIES 300 Quick Connect Panel with Breakers

Quick Connect Panel that protects your generator or electrical system from overcurrents. The ASCO SERIES 300 Quick Connect Power Panels with Breakers provide a reliable, convenient, and economical way to connect a standby generator to support critical infrastructure and keep a business operating. They provide a "backup-for-the-backup" according to NEC® 700.3 requirements for input panels. They can also be configured as an output panel to connect a Load Bank for periodic generator testing. Models range from 150 to 4000 Amps and are designed to provide years of trouble-free service.

ASCO SERIES 300 Dual Purpose Quick Connect Power Panel

ASCO SERIES 300 Dual Purpose Quick Connect Power Panel

ASCO SERIES 300 Dual Purpose Quick Connect Power Panel The SERIES 300 Dual-Purpose Quick Connect Power Panel is the singular solution for connecting load banks for testing and providing "backup-for-the-backup" according to NEC 700.3 requirements. These Load Bank Docking Stations are available in models ranging from 150 to 4000 Amps, they are designed to provide years of trouble-free service.

ASCO SERIES 300 Manual Transfer Switch

ASCO SERIES 300 Manual Transfer Switch

For Commercial or Light Industrial Use When power fails, businesses suffer. For some organizations, a permanent generator is too costly. Instead, a permanent means for quickly connecting a portable or temporary generator can make economic sense. Installing a manual transfer switch and a connecting means can provide an adequate and cost effective solution. This equipment can provide access for an alternate power source when a generator malfunctions or is removed from service for maintenance.

ASCO SERIES 300 Quick Connect Manual Transfer Switches

ASCO SERIES 300 Quick Connect Manual Transfer Switches

Configurable with optional breakers for Backup Power on Optional Standby Systems or a Permanent Generator The ASCO SERIES 300 manual transfer switch with integrated quick-connects and optionally integrated breakers provides a means for quickly connecting a portable or temporary generator to a building’s electrical system to provide backup power, or to provide a “backup to the backup” when servicing an off-line engine-generator.

ASCO SERIES 300 Manual Transfer Dual Quick Connect

ASCO SERIES 300 Manual Transfer Dual Quick Connect

ASCO SERIES 300 Manual Transfer Switch with Dual Purpose Quick Connects

For Commercial or Light Industrial use

The ASCO SERIES 300 manual transfer switch with dual purpose quick connects provides a means of load banking the permanent generator while providing a means for quickly connecting a portable or temporary generator to a building’s electrical system to provide backup power.

ASCO SERIES 300 Quick Connect Power Panel

ASCO SERIES 300 Quick Connect Power Panel

Quick Connect Panel for use with SERIES 300 Transfer Switches The ASCO SERIES 300 Quick Connect Power Panels provide a reliable, convenient, and economical way to connect a standby generator to support your critical infrastructure and keep your business operating. These Generator / Load Bank Docking Stations are available in models ranging from 400 to 4000 Amps, and are designed to provide years of trouble-free service.

Custom transfer switches

A great solution can often be enhanced by optimizing transfer switch features to best meet the needs of specific applications. ASCO Power Technologies custom-engineered transfer switches enable facilities to integrate features such as bus risers, source fusing, power metering, and distribution breakers into a single transfer switch or lineup. By providing advanced features and integrating power devices, custom transfer switches can provide greater functionality in less space while improving quality control and streamlining equipment turn-up. Optimize a transfer switching solution with ASCO custom engineering solutions.

ASCO ATS Switchboards

ASCO ATS Switchboards

For Customized Mission Critical Applications The ASCO Automatic Transfer Switchboard contains two ASCO 2000 ampere automatic transfer bypass-isolation switches, with circuit breakers on the normal and load side of each switch. An ammeter and voltmeter are also located on the load side of each switch.

ASCO Service Entrance Rated Switchboard

ASCO Service Entrance Rated Switchboard

For Customized Mission Critical Applications The ASCO Service Entrance Rated transfer systems are designed for automatic switching of loads between the utility source and an alternate source of power.

ASCO Three-source system

ASCO Three-source system

For Customized Mission Critical Applications Control logic for selecting between the alternative power sources. Normal, emergency, and/or load circuit breakers Protective relaying (as required) Optional instrument meters for normal, emergency, or load for local monitoring.

Custom Applications

Custom Applications

For Customized Mission Critical Applications Create exactly the power control solution you want with a variety of configurable modules. The modules reduce lead and delivery times, and facilitate installation and start up, so customize a system to your requirements and still meet tight deadlines.

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