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ASCO Model 420 Surge Protective Device

120–600 VAC | 50 kA/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.

ASCO Model 420 Surge Protective Device
  • Features

    • UL 1449 Fourth Edition Listed
    • 50 kA per mode/phase rating
    • All UL required OCP and 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
    • 20 kA Inominal
    • 200 kA SCCR


    Benefits

    • UL 96A lightning protection master label compliant (@20 kA inominal)
    • Voltage specific design – highly configurable
    • All MOV suppression elements monitored
    • NEMA 4X indoor/outdoor rated enclosure
    • 10-year warranty

    Applications

    • Banking, Financial and Insurance
    • Broadcast and Entertainment
    • Construction and Engineering
    • Data Centre/Colocation/Hosting
    • Education
    • Fire/Alarm/Security
    • Healthcare
    • Manufacturing
    • Telecom

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