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Westinghouse JB3700SM - Molded Case Breaker 250A 600V 3-Pole

Westinghouse
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Westinghouse JB3700SM is a 3-pole molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 250 amperes at 600 volts AC with a 22kA interrupting capacity at 480V, providing reliable overcurrent protection for three-phase applications. The unit features a bolt-on connection type, weighs 19 lb, and utilizes a thermal magnetic trip unit for robust circuit interruption. This breaker complies with industry standards for molded case circuit breakers, ensuring dependable performance in demanding environments. It is well-suited for protecting motors, transformers, and other heavy electrical loads in industrial and commercial facilities.

Key Features & Specifications
  • Type: Molded Case
  • Family: AB DE-ION
  • Type: JB
  • Weight: 19 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Magnetic Only
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 250A
  • Amperage: 250A
  • Voltage Rating: 600V AC
  • Number of Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22,000 AIC (22kA)
  • Series/Frame: JB Series
  • Trip Unit: Thermal Magnetic