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ASCO Model 135 (Edco H Series) Surge Protective Device

Low Voltage DC | 0.160 kA

The ASCO Model 135 modules are ultra-high-speed fused solid-state dual listed Primary (UL 497) and Secondary (UL 497A) protectors for KEY/PABX systems. The units are available in analogue and digital clamping voltages. Model 135 single pair modules fit onto a standard M1-50 split block and replace bridging clips. In addition, these modules require an ASCO MGBW Ground Rail accessory for each M1-50 block used.

ASCO Model 135 (Edco H Series) Surge Protective Device
  • Features

    • Ultra-high-speed Technology
    • Silicon Foldback Technology
    • Fits standard M1-50 phone block
    • Three clamping levels to fit application


    • Protection for analogue and digital extensions
    • Low cost
    • Easy installation
    • 5-year warranty


    • Education
    • Fire/Alarm/Security
    • Healthcare
    • Manufacturing
    • Telecom
    • Transportation

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