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Westinghouse MC3400 - Molded Case 400A 600V 3-Pole

Westinghouse
Price
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The Westinghouse MC3400 is a three-pole, 400A molded case circuit breaker from the Seltronic family, designed for primary overcurrent protection in industrial power distribution systems. It features a solid-state trip unit with LS (Long-Time and Short-Time) protection functions, rated for 600V AC and 30kA interrupting capacity at 480V, with a bolt-on connection for secure panel mounting. Weighing 38 lb, this Type MC breaker is constructed for three-phase applications, providing reliable coordination and selective tripping in high-fault environments. It complies with industry standards for molded case breakers, ensuring robust performance in demanding electrical systems. Typical applications include main and feeder protection in switchboards, panelboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: LS - Long-Time and Short-Time
  • Weight: 38 lb
  • Family: Seltronic
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 785411072814
  • GTIN: 00785411072814