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Westinghouse 1256C10G13 - Molded Case 300A 3-Pole Breaker

Westinghouse
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Westinghouse 1256C10G13 is a 300A molded case circuit breaker from the MARK 75 family, designed for thermal-magnetic overcurrent protection in three-phase power distribution systems. This Type HLA unit provides LI (Long-Time and Instantaneous) trip functions and is rated for 600V AC with a high interrupting capacity of 35kA at 480V. The three-pole breaker features a bolt-on connection and weighs 29 lb, constructed for robust industrial and commercial electrical service. It meets industry standards for reliable circuit protection in demanding environments. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: 1256C10G13
  • Type: HLA
  • Family: MARK 75
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Current Rating: 300A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA@480V
  • Weight: 29 lb