Design Engineering

Overload protection

For single and three phase systems, the Valvetrab provides main and branch circuit overvoltage protection from electrical transients caused by lightning, utility switching actions, de-energized inductive loads and heavy switching operations.

September 27, 2004   Staff

It provides up to 40 kA 8/20 µs maximum surge protection for the service entrance, MCCs, variable frequency drives, softstarts and other electrical equipment. Features include: a 40 mm MOV with thermal disconnect for failure indication; DIN-rail mount foot; and, pluggable protection module.

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