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Westinghouse JA3150 - Molded Case 150A 600V 3-Pole Breaker

Westinghouse
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Westinghouse JA3150 is a 150-amp, 3-pole molded case circuit breaker from the JA Series, designed for overcurrent protection in industrial electrical systems. It operates at a maximum voltage rating of 600V and features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions for reliable fault interruption. The unit weighs 19 lb, uses a bolt-on connection, and is rated for 3-phase systems with an interrupting capacity of 22kA at 480V. It complies with industry standards for molded case circuit breakers, ensuring robust performance in demanding environments. Typical applications include industrial power distribution and commercial electrical panels requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: JA Series
  • Amperage: 150 Amps
  • Voltage: 600 Volts
  • Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22kA @ 480V
  • Protection: Thermal Magnetic
  • Trip Unit: Fixed Trip
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 19 lb