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Cutler Hammer KD3400F - Molded Case Circuit Breaker Frame, 400A 600V 3P

Cutler Hammer
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Cutler Hammer KD3400F is a molded case circuit breaker frame designed for providing robust overcurrent protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 400A current rating, housed within a compact K-frame measuring 4.1 in (D) x 5.5 in (H) x 5.5 in (W) and weighing 9.65 lb, with a bolt-on connection for secure installation. This thermal magnetic protector is engineered to meet industry standards, offering an interrupting capacity of 35kA at 480V AC with long-time and instantaneous (LI) trip functions for reliable fault clearing. Its typical applications include protecting feeders and branch circuits in commercial and industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame (Series C, KD Type), Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 5.5 in (Height) x 5.5 in (Width)
  • Weight: 9.65 lb
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA @ 480V AC
  • Functions: LI (Long-Time and Instantaneous)
  • Additional Info: Frame only; trip unit and lugs not included.


Product Identification
  • UPC: 786679763551
  • GTIN: 00786679763551