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NPDT620 / NPDT630 - Digital protection with two or three windings and, depending on the version, with restricted earth

Railway

Differential Protection

NPDT620 is designed to provide quick and selective protection to 3-phase transformers with 2 windings.

NPDT630 is designed to provide quick and selective protection to 3-phase transformers with 3 windings or 2 windings and a restricted earth function.

Product family:

Transformers

ANSI code :

87T - Transformer differential relay

NPDT620 - NPDT630

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