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Westinghouse MA3800FS - Molded Case Circuit Breaker Frame, 800A 600V

Westinghouse
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Westinghouse MA3800FS is a molded case circuit breaker frame designed for providing primary circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and an 800A current rating, engineered for three-phase applications. The 38 lb unit is constructed as a three-pole, bolt-on thermal magnetic breaker offering long-time and instantaneous (LI) protection functions with an interrupting capacity of 30kA at 480V. This frame-only component complies with relevant industry standards for molded case circuit breakers and is typically applied in main service entrances, feeder circuits, and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker Frame (MA Series), Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Phase: 3
  • Poles: 3
  • AIC Rating: 30kA @ 480V
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Connection: Bolt-On
  • Frame Type: MA
  • Weight: 38 lb
  • Configuration: Frame only; does not include lugs or a trip unit.


Product Identification
  • Manufacturer Part Number: MA3800FS