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Cutler Hammer KD3400T52W - Molded Case Circuit Breaker 400A 600V

Cutler Hammer
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Cutler Hammer KD3400T52W is a 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial electrical systems. Rated at 400A and 600V AC (250V DC), it delivers an interrupting capacity of 35kA at 480V AC, 65kA at 240V AC, and 25kA at 600V AC. This bolt-on unit features a solid-state electronic trip unit with LSI (Long-Time, Short-Time, Instantaneous) protection, measures 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width), and weighs 11.5 lb. It is part of the Series C frame and is engineered for panelboard installations, meeting rigorous industry standards for reliability and durability. Typical applications include main or feeder protection in distribution panels, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Amperage: 400A
  • Voltage Rating: 600V AC, 250V DC
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Solid State, LSI (Long-Time, Short-Time, Instantaneous)
  • AIC Rating: 35kA @ 480V AC, 65kA @ 240V AC, 25kA @ 600V AC
  • Series/Frame: Series C
  • Application: Panelboard
  • Dimensions: 4.1 in x 5.5 in x 5.5 in (Length/Depth x Height x Width)
  • Weight: 11.5 lb
  • Additional Info: Lugs are not included


Product Identification
  • UPC: 078211440409
  • GTIN: 00782114404096