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Westinghouse LB3125S - Molded Case 125A 600V 3-Pole

Westinghouse
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Westinghouse LB3125S is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 125A continuous current, and provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions. The unit features a bolt-on connection, weighs 20 lb, and is part of the AB DE-ION family with a Type LB frame. It complies with industry standards for molded case breakers and offers an interrupting capacity of 30kA at 480V. This breaker is suitable for three-phase applications requiring reliable circuit isolation and fault protection in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, AB DE-ION family, Type LB
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 30kA@480V
  • Weight: 20 lb
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: Industry standard molded case breaker compliance
  • Installation Type: Panelboard
  • Breaker Frame: LB
  • Current Rating: 125A


Product Identification
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