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ASCO Model 520 Surge Protective Device

120-480VAC | 130-500kA/Phase

The ASCO Model 520 Surge Protective Device offers continuous protection from damaging transients and electrical line noise, utilizing patented circuitry to monitor the status of all protection modes, including neutral to ground. Should protection be unavailable in any mode, the green LED will be extinguished, and the red LED will be illuminated. The ASCO Model 520 can be installed on any panel within your facility, making it the ideal choice for cascaded applications.

ASCO Model 520 Surge Protective Device
  • Features

    • UL 1449 Fourth Edition Listed
    • 130kA — 500kA per phase ratings
    • 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 IN)
    • Voltage Specific Design — Highly configurable
    • All MOV suppression elements monitored
    • All Modes of Protection
    • 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