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Westinghouse MA3400S - Molded Case 400A 3-Pole Breaker

Westinghouse
Price
Save $-2,970.01
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Condition
  • In stock, ready to ship
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The Westinghouse MA3400S is a 3-pole molded case circuit breaker from the MA Series, designed to provide overcurrent protection through its thermal magnetic trip mechanism. This unit is rated for 400A continuous current at 600VAC and 3-phase operation, with an interrupting capacity of 30kA at 480VAC. The breaker weighs 54 lb and utilizes a bolt-on connection style, incorporating LI (Long-Time and Instantaneous) protection functions for coordinated fault response. It is constructed as a standard molded case unit, suitable for industrial power distribution systems requiring reliable circuit isolation and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MA Series, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA@480V
  • Connection: Bolt-On
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 54 lb
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • Manufacturer: Westinghouse
  • Family: MA Series
  • Type: MA
  • Item Subcategory: Molded Case