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Westinghouse MCCA3500 - Molded Case 500A 600V 3-Pole

Westinghouse
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The Westinghouse MCCA3500 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 500A at 600V AC with a solid-state trip unit providing Long-Time and Short-Time (LS) functions, and an interrupting capacity of 30kA at 480V AC. This bolt-on unit weighs 38 lb and is built on the MA frame series, featuring an interchangeable trip unit and load side lug terminals. It complies with applicable industry standards for molded case circuit breakers. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: SELTRONIC
  • Type: MCCA
  • Weight: 38 lb
  • Functions: LS - Long-Time and Short-Time
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC rating: 30kA@480V
  • Phase: 3
  • Current Rating: 500A
  • Amperage: 500A
  • Frame Type: MA
  • Mounting Type: Bolt-On
  • Interrupt Rating: 30kA at 480V
  • Trip Unit: Thermal Magnetic with long time, short time, and instantaneous functions
  • Interchangeable Trip Unit
  • Load Side Lug Terminals