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Siemens FD63B125 - Molded Case Circuit Breaker, 125A 600V 3P

Siemens
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Siemens FD63B125 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, housed within a compact FD frame measuring 150mm x 250mm x 170mm (W x H x D) and weighing 10.516 lb. This thermal-magnetic breaker, offering long-time and instantaneous (LI) protection functions with a 35kA interrupting capacity at 480V, is UL, CSA, and IEC certified for safe operation in temperatures from -25°C to 70°C. Its bolt-on, three-pole configuration makes it suitable for installation in various panel types including S4, P4, SPP, and F-series enclosures for commercial and industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Frame Size: FD Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V AC
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Dimensions: 150mm x 250mm x 170mm (5.906" x 9.843" x 6.693") (W x H x D)
  • Weight: 10.516 lb
  • Certification: UL, CSA, IEC
  • Compatible Panel Types: S4, P4, SPP, F1, FC1, FCII, CDP-5, CDP-6, SB1-3, S5, P5, SPP/FPP, F2
  • Additional Info: Lugs not included


Product Identification
  • UPC: 783643211469
  • GTIN: 00783643211469