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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

ASCO Model 451 Surge Protective Device
  • Features

    • UL 1449 Fourth Edition Recognized
    • Directly Connected, Discrete Protection Elements Between All Possible Modes
    • 100kA – 300kA per phase ratings
    • All UL required OCP & Safety Coordination included inside:
    • - Type 1 SPDs intended for Line or Load Side of Main Disconnect
      - Type 2 SPDs intended for Load Side of Main Disconnect
    • 20kA Inominal
    • 200kA SCCRs (most models)
    • UL 96A Lightning Protection Master Label Compliant
    • Includes Audible Alarm, Silence Switch and Form C Dry Contacts
    • AC Sinewave Tracking Filter with EMI/RFI Filtering up to -50dB from 10kHz to 100MHz
    • (Type 2 option only, incl. UL 1283 Listing)


    Benefits

    • Replaceable Module with Large Block 50kA Thermally Protected MOVs
    • Phase Loss Monitoring (toggles LED & Dry Contacts)
    • Voltage Specific Design – highly configurable
    • All MOV suppression elements monitored
    • Display on 28" Cable
    • 10 Year Warranty

    Applications

    • Banking, Financial and Insurance
    • Broadcast and Entertainment
    • Chemical/Petrochemical (excl. Oil & Gas)
    • Construction and Engineering
    • Data Center/Colocation/Hosting
    • Education
    • Fire/Alarm/Security
    • Government
    • Healthcare
    • Manufacturing
    • Marine
    • Military, Defense, Aerospace and Missile
    • Mining/Metals
    • Nuclear Power
    • Oil and Gas
    • Power Generation
    • Power/Gas Transmission and Distribution
    • Professional Services
    • Retail and Wholesale
    • Telecom
    • Transportation
    • Water Supply/Sewage Disposal

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