Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

ASCO Model 172 (Edco PHC Series) Surge Protective Device

Low Voltage DC | 10kA

The ASCO Model 172 Surge Protective Device is designed to protect two pairs of wires specifically for alarm and security systems where operating currents can be as high as 5 Amps. Electrically, the Model 172 is a rugged series hybrid implementing a staged complement of MOVs, copper wound inductors and Silicon Avalanche Diodes. This design reduces series resistance to 0.2 ohms per pair. These products are intended to mate with a PCB1B gold-plated female terminal connector accessory.

ASCO Model 172 (Edco PHC Series) Surge Protective Device
  • Features

    • Three-stage hybrid protection
    • Differential protection
    • Common mode protection
    • Plug-in module
    • Automatic recovery
    • Fast response time
    • Continuous current up to 5 Amps
    • Requires accessory PCB1B base
    • PTU (Pass Thru Unit) available
    • for troubleshooting


    Benefits

    • 5 Year Warranty

    Applications

    • Chemical/Petrochemical (excl. Oil & Gas)

Need a technical document?

Search our download center to find drawings, manuals and data sheets for your product.

Need support?

Contact our support team for technical help and information.