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Westinghouse MCA3700 - Molded Case 700A 600V 3-Pole

Westinghouse
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Westinghouse MCA3700 Circuit Breaker - Molded Case 700A 600V 3-Pole The Westinghouse MCA3700 is a 3-pole molded case circuit breaker from the SELTRONIC family, designed for primary protection in industrial electrical systems. It is rated for 700 amps at 600 volts AC, with a solid state trip unit providing LS (Long-Time and Short-Time) protection functions and an interrupting capacity of 30kA at 480V. This bolt-on unit weighs 38 lb and features a 3-phase, M Frame construction for robust panel mounting. The breaker is UL Listed, ensuring compliance with industry safety standards. Typical applications include industrial and commercial power distribution systems requiring reliable overload and short circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Model: MCA3700
  • Type: Molded Case
  • Family: SELTRONIC
  • Current Rating: 700 Amp
  • Voltage Rating: 600 Volts AC
  • Number of Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 30kA @ 480V
  • Trip Unit: Solid State
  • Protection Functions: LS - Long-Time and Short-Time
  • Series/Frame: M Frame
  • Weight: 38 lb
  • Certification: UL Listed