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Westinghouse KB3250K - Molded Case Circuit Breaker 250A 600V (3-Pole)

Westinghouse
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Westinghouse KB3250K is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for thermal magnetic overcurrent protection with long-time and instantaneous trip functions. It is rated for 250 amps continuous current at 600 volts AC, with an interrupting capacity of 22kA at 480V. The unit weighs 19 lb and features a bolt-on mounting connection for secure installation in panelboards. It complies with IEC 60947-2 standards for industrial electrical systems. This breaker is suited for industrial applications requiring reliable overcurrent protection in three-phase power distribution.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: AB DE-ION
  • Type: KB
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 250A
  • Amperage: 250 Amps
  • Voltage: 600 Volts AC
  • Mounting Type: Bolt-On
  • Trip Unit: Thermal Magnetic
  • Interrupt Rating: 35,000 Amps at 480 VAC
  • Series/Frame: KB Series
  • Standards: IEC 60947-2 Compliant