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ASCO Model 950 (MVF Series) Surge Protective Device

Medium Voltage | 1000–4100 VAC | 120 kA/240 kA Per Phase

The ASCO Model 950 (MVF Series) is a medium-voltage surge device with a dedicated fuse box and is intended for light industrial and heavy-duty applications.

ASCO Model 950 (MVF Series) Surge Protective Device
  • Features

    • Low clamping voltage for maximum equipment protection
    • Parallel design MOV suppression allows installation flexibility
    • Bi-directional operation for positive and negative polarity surges
    • Solid-state, fully automatic action and reset
    • Large-block, 40 mm, MOVs
    • Intended for high-energy applications including all IEEE C62.41.2
    • Inorganic silica particle encapsulation
    • Double insulated against ground fault or arcing with redundant and separate polypropylene and polyethylene layers
    • Elastomeric Ceramgard® potting protects against environmental contaminants


    • Five-year warranty
    • Wires included

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