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Westinghouse MA3700S - Molded Case 700A 600V 3-Pole

Westinghouse
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The Westinghouse MA3700S is a three-pole molded case circuit breaker designed to provide long-time and instantaneous (LI) protection for industrial electrical systems. This thermal-magnetic device is rated for 700A at 600VAC, with an interrupting capacity of 30kA at 480VAC, and features a bolt-on connection for secure panel mounting. Weighing 54 lb, the unit is constructed with a robust molded case housing for durability in demanding environments. It complies with industry standards for overcurrent protection in three-phase power distribution systems. Typical applications include protecting feeders and large motors in manufacturing plants, commercial buildings, and heavy industrial facilities.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 700A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • AIC rating: 30kA@480V
  • Weight: 54 lb
  • Family: MA Series
  • Functions: LI - Long-Time and Instantaneous


Product Identification
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