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Siemens FJ63B225 - Molded Case Circuit Breaker 225A 600V 3-Pole

Siemens
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Siemens FJ63B225 is a three-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 225A continuous current, and an interrupting capacity of 18kA at 480V, with LI (Long-Time and Instantaneous) trip functions for coordinated fault protection. This bolt-on breaker weighs 12 lb and features a compact FJ Series frame for panelboard installation. It complies with UL and NEMA standards for commercial and industrial applications. Typical uses include feeder protection in switchboards, motor control centers, and lighting panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: FJ Series
  • Weight: 12 lb
  • Standards: UL, NEMA
  • Applications: Feeder protection, switchboards, motor control centers, lighting panels


Product Identification
  • UPC: 782451082681