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Siemens FJ63B125 - Molded Case Circuit Breaker, 125A 3P 600V

Siemens
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Save $-740.18
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Siemens FJ63B125 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering both long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with an interrupting capacity of 18kA at 480V AC, ensuring compliance with relevant industry standards for electrical safety. Its design is suitable for integration into panelboards and switchboards, commonly applied in manufacturing, commercial buildings, and other facilities requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Phase: 3
  • Poles: 3
  • AIC Rating: 18kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal-Magnetic
  • Connection: Bolt-On
  • Family: FJ Series
  • Weight: 12 lb