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Westinghouse KB3250T - Circuit Breaker 250A 600V 3-Pole

Westinghouse
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Westinghouse KB3250T is a 3-pole molded case circuit breaker designed for reliable overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 250 amperes, featuring an interchangeable thermal magnetic trip unit with LI (Long-Time and Instantaneous) protection functions. The bolt-on construction and 2 lb weight make it suitable for integration into control panels and distribution equipment, with compatibility for KB and HKB frames. This circuit breaker provides adjustable thermal trip settings from 0.7 to 1.0 times the rated current and a fixed magnetic trip at 5 times the rating, ensuring precise protection for 3-phase applications. It is commonly used in industrial control panels and distribution systems requiring dependable overcurrent and thermal management.

Key Features & Specifications
  • Type: KB
  • Amperage Rating: 250A
  • Voltage Rating: 600V AC
  • Number of Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Mounting Type: Bolt-On
  • Trip Unit: Interchangeable Thermal Magnetic
  • Thermal Adjustment: Adjustable (0.7-1.0)
  • Magnetic Trip: Fixed at 5In
  • Phase: 3 Phase
  • Compatible Frames: KB, HKB
  • Weight: 2 lb