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Eaton CDK3400W - Molded Case 400A 240V 3-Pole Breaker

Eaton
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Eaton CDK3400W is a 3-pole, 400A molded case circuit breaker from the CDK Series, designed for thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions in high-current industrial and commercial power distribution systems. It operates at 240V with a 65kA interrupting capacity at 240V, supporting 3-phase applications through a bolt-on connection style. The unit measures 4.1 inches in depth by 5.5 inches in height and width, weighing 11.4 lb, and is constructed for secure panel installation. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable overcurrent protection in main or sub-panel configurations. Typical applications include industrial power distribution, commercial electrical systems, and high-capacity branch circuit protection where robust fault interruption is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Eaton
  • Family: CDK Series
  • Current Rating: 400A
  • Voltage Rating: 240V
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@240V
  • Connection: Bolt-On
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Weight: 11.4 lb
  • Interrupt Rating: 35kA @ 480VAC
  • Series/Frame: CK3400
  • Trip Unit: CKT3400T 400A
  • Shunt Trip: 120VAC
  • Application: Industrial/Commercial
  • Certification: NETA Tested


Product Identification
  • UPC: 786849474140