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Challenger CDK3300 - Molded Case 300A 3-Pole 240V Breaker

Challenger
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Challenger CDK3300 is a 3-pole molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 240V with a continuous current rating of 300A and delivers a 65kA interrupting capacity at 240V. The unit weighs 10 lb and features a bolt-on connection with a thermal magnetic protection mechanism. It complies with industry standards for molded case circuit breakers, providing LI (Long-Time and Instantaneous) trip functions. This breaker is typically applied in 3-phase commercial and industrial panelboards and switchboards requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 240V
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • AIC Rating: 65kA@240V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 10 lb
  • Family: CDK Series
  • Item Subcategory: Molded Case


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