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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.

ASCO Model 420 Surge Protective Device
  • Features

    • UL 1449 Fourth Edition Listed
    • 50kA 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
    • 20kA Inominal
    • 200kA SCCR


    Benefits

    • UL 96A Lightning Protection Master Label compliant (@20kA 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 Center/Colocation/Hosting
    • Education
    • Fire/Alarm/Security
    • Healthcare
    • Manufacturing
    • Telecom