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Westinghouse HMA3700 - Molded Case 700A 600V 3-Pole

Westinghouse
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Westinghouse HMA3700 is a molded case circuit breaker from the Mark 75 series, designed to protect low voltage power distribution systems with long-time and instantaneous (LI) protection functions. It is rated for 700 amperes at 600VAC, 50/60Hz, with a 35kA interrupting capacity at 480VAC, and operates in three-phase, three-pole configurations. The unit weighs 54 lb and features a bolt-on connection with a thermal magnetic interchangeable trip unit for reliable overcurrent protection. This breaker complies with UL listing standards for industrial and commercial electrical systems. It is typically applied in panel mount installations for industrial and commercial power distribution.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Westinghouse
  • Series: Mark 75
  • Frame Style: HMA
  • Amperage Rating: 700A at 40°C
  • Voltage Rating: 600VAC, 50/60Hz
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal Magnetic Interchangeable
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA@480V
  • Connection: Bolt-On
  • Mounting: Panel Mount
  • Weight: 54 lb
  • UL Listed