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ASCO Model 310 Surge Protective Device

120/208–346/600 VAC | 40 kA

The ASCO Model 310 (DRS Series) Surge Protective Device is designed to be easily installed in power and control panels using standard DIN-rail mounting brackets. The ASCO Model 310 offers 40,000 amps of both normal and common mode surge protection. It's available in single-phase, split-phase, three-phase (three wires) and three-phase (four wires) configurations.

ASCO Model 310 Surge Protective Device
  • Features

    • Effectively handle high-energy transients on type TT, TN-C, TN-S and TN-C-S power systems
    • SPD rated Type 2 in accordance with EN61643-11; Class I and II in accordance with IEC 61643-1
    • Built-in thermal components disconnect SPD from the power source to avoid thermal runaway conditions
    • Visual inspection windows on each module provide continuous status indication


    • Three position terminals provide remote status monitoring capability
    • DIN-rail mounting and plug-in module design allow for easy installation and maintenance
    • Gas tube module option for type TT grounding systems
    • 5-year warranty


    • Manufacturing
    • Transportation

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