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Westinghouse KB3250K - Molded Case 250A 600V 3-Pole

Westinghouse
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Westinghouse KB3250K is a molded case circuit breaker from the AB DE-ION family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 250A continuous current, and 3-phase operation, with a 22kA interrupting capacity at 480V AC. This 3-pole unit features bolt-on connections, a thermal magnetic protection mechanism, and LI (Long-Time and Instantaneous) trip functions, housed in a compact frame weighing 19 lb. It complies with applicable industry standards for molded case circuit breakers. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, AB DE-ION Family
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 22kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 19 lb
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA
  • Installation Type: Panelboard
  • Breaker Frame: KB
  • Trip Type: Thermal Magnetic
  • Panel Type: Distribution
  • Breaker Type: Molded Case
  • Enclosure: Open
  • Nema Rating: NEMA 1
  • Wire Size: 250 MCM
  • Certification: UL Listed
  • Compatible Frames: KB
  • Item QTY: 1
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: Not available
  • GTIN: Not available