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Westinghouse MA2300 - Molded Case 300A 2-Pole Breaker

Westinghouse
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Save $-2,798.29
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Westinghouse MA2300 is a 2-pole, 300A molded case circuit breaker from the MA Series, designed for primary circuit protection in industrial applications using a thermal magnetic trip mechanism. It operates at a maximum voltage rating of 600V AC and provides a 30kA interrupting capacity at 480V, with LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. The unit weighs 47 lb, features a bolt-on connection type, and includes load side lug terminals for secure wiring. This single-phase breaker complies with industry standards for reliable performance in demanding electrical environments. Typical applications include protecting branch circuits, feeders, and equipment in manufacturing facilities and commercial power distribution systems.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: MA Series
  • Type: MA
  • Weight: 47 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 1
  • Current Rating: 300A
  • Amperage: 300A
  • Mounting Type: Bolt-On
  • Interrupt Rating: 30kA at 480V
  • Trip Unit: Thermal Magnetic with Long Time and Instantaneous Functions
  • Load Side Lug Terminals
  • Frame Type: LA Series