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Siemens FJ63B150 - Molded Case Circuit Breaker 150A 3P

Siemens
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Siemens FJ63B150 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 150A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering both long-time delay and instantaneous (LI) protection functions. The breaker is constructed as a compact, three-pole unit with a bolt-on connection style, weighing 12 lb, and it meets industry standards with an interrupting capacity of 18kA at 480V AC. This combination of specifications makes it suitable for installation in panelboards and switchboards within commercial and industrial facilities requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, FJ Series
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 18kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Weight: 12 lb
  • Item Subcategory: Molded Case
  • Family: FJ Series


Product Identification
  • Manufacturer Part Number: FJ63B150