Welcome to the ASCO Website

Welcome to our website.

Choose another country or region

ASCO Model 134 (Edco COHP) Surge Protective Device

12-43VDC | 15-50 Volts

The ASCO Model 134 modules are three-stage hybrid protectors for low voltage data and telecommunications applications. The modules address overvoltage transients with gas tubes and silicon avalanche components. In addition, sneak and fault currents are mitigated with resettable fuses (PTCs). Intended to be used on pairs without the presence of ringing voltage. The Model 134 modules are designed for data and control applications as an isolated loop circuit protector.

ASCO Model 134 (Edco COHP) Surge Protective Device
  • Features

    • L-L and L-G Protection
    • Replaces bridging clips on M1-50 bock
    • UL 497B listed
    • Utilizes MGB grounding rail
    • Three electrode gas tube first stage
    • Silicon avalanche hybrid technology
    • Polyswitch resettable fusing - PTCs


    • 5 year limited warranty


    • Construction and Engineering
    • Fire/Alarm/Security
    • Education
    • Healthcare
    • Manufacturing
    • Telecom

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.

Ready to order?

Find your local ASCO sales representative.