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Cutler Hammer KEP3400T56 - Digitrip OPTIM Trip Unit 400A

Eaton
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The Cutler Hammer KEP3400T56 is a Digitrip OPTIM trip unit designed to provide comprehensive solid-state protection for low-voltage power circuit breakers. This unit delivers LSIG protection functions—Long-Time, Short-Time, Instantaneous, and Ground Fault—with an adjustable current rating from 400 A minimum to 400 A maximum. Housed in a compact package measuring 8.38 inches in depth, 5.38 inches in height, and 3.5 inches in width, and weighing 5.12 lb, it is engineered for direct integration into compatible KD, HKD, KDC, CKD, and CHKD breaker frames. The trip unit meets industry standards for reliable overcurrent and ground fault protection in industrial power distribution systems. Typical applications include main, feeder, and branch circuit protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Digitrip OPTIM Trip Unit
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Amperage Minimum: 400
  • Amperage Maximum: 400
  • Protection: Solid State
  • Compatible Frames: KD, HKD, KDC, CKD, CHKD
  • Dimensions: 8.38 in x 5.38 in x 3.5 in (Length/Depth x Height x Width)
  • Weight: 5.12 lb


Product Identification
  • UPC: 78211488379
  • GTIN: 00782114883792