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Westinghouse HMCP400J5 - Molded Case Breaker 400A 600V (35kA AIC)

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The Westinghouse HMCP400J5 is a molded case circuit breaker designed to provide instantaneous magnetic-only protection for three-phase industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, housed within a compact K-frame design measuring 4.1" D x 10.13" H x 5.5" W and weighing 11.5 lb. This feed-thru connection breaker is CSA Certified and UL Listed, ensuring compliance with North American safety standards, and offers a 35kA interrupting capacity at 480V for reliable fault protection in demanding applications like motor control centers and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HMCP Series C, Magnetic-Only Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 4.1 in (Depth) x 10.13 in (Height) x 5.5 in (Width)
  • Standards: CSA Certified, UL Listed
  • Applications: Industrial power distribution, motor protection, panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Amperage: 400A
  • AIC Rating: 35kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Magnetic Only
  • Functions: I - Instantaneous Trip
  • Frame Size: K Frame
  • Trip Type: Magnetic Instantaneous
  • Breaker Type: Molded Case
  • Mounting: Fixed
  • Hz: 50/60 Hz
  • Certification: CSA, UL
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Installation Type: Fixed
  • Breaker Frame: K Frame
  • Country of Origin: Dominican Republic
  • Weight: 11.5 lb


Product Identification
  • UPC: 786679342367
  • GTIN: 00786679342367