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Square D NW12N - Insulated Case Circuit Breaker 1200A 3-Pole

Square D
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Square D NW12N is a 1200 Amp, 3-pole insulated case circuit breaker from the Masterpact NW family, designed for primary protection in low voltage power distribution systems. It features a solid state trip unit with LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection functions and a voltage rating of 600V, with an interrupting capacity of 65kA at 480V for three-phase applications. The unit is a draw-out connection type, weighing 165 lb, and is engineered for high performance and reliability in industrial environments. This circuit breaker complies with industry standards for low voltage power distribution and is suitable for use in switchboards and motor control centers. Typical applications include main and feeder protection in commercial, industrial, and utility power systems where reliable overcurrent and ground fault protection is required.

Key Features & Specifications
  • Manufacturer: Square D
  • Series: Masterpact NW
  • Type: NW
  • Amperage: 1200A
  • Poles: 3
  • Voltage Rating: 600V
  • Interrupt Rating: 65kA at 480V
  • Mounting Type: Draw-Out
  • Frame Type: Insulated Case
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Phase: 3
  • Weight: 165 lb