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Siemens FJ63B090 - Molded Case Circuit Breaker, 90A 600V 3P

Siemens
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Siemens FJ63B090 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 90A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit with a compact design, weighing 12 lb, and is engineered to interrupt faults up to 18kA at 480V AC. It complies with relevant industry standards for safety and performance, making it suitable for integration into panelboards, switchboards, and industrial control panels where dependable circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Family/Series: FJ Series
  • Weight: 12 lb


Product Identification
  • Manufacturer Part Number: FJ63B090