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Siemens CFD63B250L - Molded Case Circuit Breaker 250A 600V 3P

Siemens
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Siemens CFD63B250L 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 250A current rating and a 600V AC voltage rating, housed within a compact FD frame with a feed-thru connection for straightforward installation. The breaker utilizes a thermal-magnetic trip unit offering both long-time and instantaneous trip functions, is constructed to accept copper wire from AWG 6 to 350 KCMIL or aluminum from AWG 4 to 350 KCMIL, and operates within a temperature range of -25 to 70 °C. It complies with UL standards and is rated for an interrupting capacity of 200kA at 480V AC, making it suitable for protecting feeders and branch circuits in commercial and industrial panelboards and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Frame Size: FD Frame
  • Poles: 3
  • Connection: Feed-Thru
  • Wire Size: AWG 6 to 350 KCMIL (Cu), AWG 4 to 350 KCMIL (Al)
  • AIC Rating: 200kA at 480V AC
  • Phase: 3
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Protection Functions: Long Time and Instantaneous Trip
  • Certification: UL Listed
  • Weight: 34.06 lb


Product Identification
  • UPC: 783643001268
  • GTIN: 00783643001268