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Challenger CK3125 - Molded Case Circuit Breaker 125A 600V 3-Pole

Challenger
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Challenger CK3125 is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It delivers 125A of current at a 600V voltage rating, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) functions to safeguard against sustained overloads and short circuits. The unit weighs 13 lb, features a bolt-on mounting configuration with feed-thru connection, and is rated for a 35kA interrupting capacity at 480V. This breaker complies with industry standards for use in panelboards and switchgear requiring reliable circuit protection. It is typically applied in commercial buildings and industrial facilities for branch circuit and feeder protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Challenger
  • Series/Frame: CK
  • Model: CK3125
  • Poles: 3
  • Phase: 3
  • Current Rating: 125A
  • Voltage Rating: 600V
  • Interrupt Rating: 35kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: Bolt-On
  • Weight: 13 lb