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Westinghouse HMA3350 - Molded Case 350A 600V 3-Pole Breaker

Westinghouse
Price
Save $-10,805.55
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Condition
  • In stock, ready to ship
  • Backordered, shipping soon
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The Westinghouse HMA3350 is a 3-pole molded case circuit breaker from the MARK 75 family, designed to provide overcurrent protection through its thermal magnetic trip mechanism. It is rated for 350A at 600V AC, with an interrupting capacity of 35kA at 480V, and features LI (Long-Time and Instantaneous) protection functions for precise fault response. This bolt-on breaker weighs 54 lb and is constructed for robust industrial environments, supporting 3-phase systems. It complies with industry standards for reliable performance in demanding applications, making it suitable for protecting electrical distribution systems in manufacturing plants, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA@480V
  • Phase: 3
  • Weight: 54 lb
  • Family: MARK 75
  • Functions: LI - Long-Time and Instantaneous