Square D Masterpact NW40 4000A with Micrologic 6.0 (LSIG) — Specifications

Square D Circuit Breakers Air Circuit Breakers

Square D / Schneider Electric Masterpact NW40 4000A air circuit breaker configured with Micrologic 6.0 electronic trip unit providing LSIG protection. Drawout mounting, UL/IEC dual rated. Includes protection settings, coordination curves, wiring diagrams, and maintenance guide. Available from Voyten Electric — new, remanufactured, and reconditioned.

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Need the replacement part?

Voyten Electric stocks parts for this equipment — including EOL and discontinued models.

1-800-458-4001

EOL & Legacy Equipment Support

Is your Square D equipment discontinued or end-of-life? Voyten Electric specializes in sourcing, testing, and shipping replacement parts for legacy electrical equipment. We stock circuit breakers, trip units, motor controls, and accessories for models no longer manufactured.

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