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Westinghouse MA3450T - Trip Unit 450A 600V 3-Pole

Westinghouse
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Westinghouse MA3450T is a 3-pole, 450A molded case circuit breaker from the MA Series, designed as a trip unit and programmer for thermal magnetic protection in electrical systems. It provides LI (Long-Time and Instantaneous) functions with a voltage rating of 600V and a current range of 450A minimum to 450A maximum. Weighing 4 lb, this unit features an interchangeable trip design for bolt-on mounting and is compatible with MA and HMA frames. The breaker meets stringent industry standards for safety and performance in high-capacity applications. It is suited for industrial and commercial electrical systems requiring reliable overload and short circuit protection.

Key Features & Specifications
  • Type: MA
  • Family: MA Series
  • Item Subcategory: Trip Units & Programmers
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Amperage: 450A
  • Protection: Thermal Magnetic
  • Compatible Frames: MA, HMA
  • Weight: 4 lb
  • Mounting Type: Bolt-On
  • Interrupt Rating: 35kA @ 480V
  • Series/Frame: HMA
  • Trip Unit: Interchangeable