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Westinghouse NB31200T - Thermal Magnetic Circuit Breaker 1200A 600V

Westinghouse
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Westinghouse NB31200T is a 3-pole molded case circuit breaker designed for overcurrent protection in low voltage industrial electrical distribution systems. This thermal magnetic breaker provides LI (Long-Time and Instantaneous) protection functions with a voltage rating of 600V and a continuous current rating of 1200 Amps. The unit weighs 4 lb and features an interchangeable trip unit within an NB frame, compatible with NB, HNB, and NBY frame types. It complies with industry standards for safety and performance in demanding environments. Typical applications include industrial power distribution panels and equipment requiring reliable circuit protection.

Key Features & Specifications
  • Type: NB
  • Poles: 3
  • Amperage Rating: 1200 Amps
  • Voltage Rating: 600 Volts AC
  • Protection Type: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Type: NB
  • Compatible Frames: NB, HNB, NBY
  • Mounting: Molded Case
  • Interrupting Capacity: 30kA at 480V
  • Weight: 4 lb
  • Warranty: One Year