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Westinghouse 1256C10G05 - Molded Case 400A 600V Breaker

Westinghouse
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The Westinghouse 1256C10G05 is a molded case circuit breaker from the MARK 75 family, designed for primary overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 400A, and 1-phase operation, with a 35kA interrupting capacity at 480V. This 2-pole, bolt-on unit weighs 26 lb and features a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) protection functions. It is constructed for compliance with applicable industry standards for molded case breakers. Typical applications include protecting feeders, panelboards, and motor control centers in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, Fixed Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Functions: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Type: HLA
  • Weight: 26 lb


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