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ASCO Model 171 (Edco PC2-TEL) Surge Protective Device

Low Voltage DC | 160A

The ASCO Model 171 Surge Protective Device is a solid state, two-line telephone interface protector module. This unit is specifically designed to protect both phone lines required by commercial fire/security panels.

ASCO Model 171 (Edco PC2-TEL) Surge Protective Device
  • Features

    • Tip to ring protection
    • Tip and ring to ground protection
    • Over-current protection
    • Resettable solid state fuses — PTCs
    • Requires accessory PCB1B base
    • PTU (Pass Thru Unit) available for troubleshooting


    • 5 Year Warranty


    • Broadcast and Entertainment
    • Fire/Alarm/Security