Square D Masterpact MTZ1 630–1600A Air Circuit Breaker — Manual & Specifications

Square D Circuit Breakers Air Circuit Breakers

Complete technical documentation for the Schneider Electric Masterpact MTZ1 next-generation air circuit breaker, covering 630–1600A. Replaces legacy Masterpact NT. Features MicroLogic X control unit with embedded Ethernet, power metering, and cybersecurity. UL 1066 and IEC 60947-2 rated. Available from Voyten Electric.

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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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