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Westinghouse HMCA3400 - Molded Case 400A 600V 3-Pole

Westinghouse
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Westinghouse HMCA3400 is a 3-pole molded case circuit breaker from the Seltronic family, designed for solid-state protection with LS (Long-Time and Short-Time) trip functions. It is rated for 400A at 600V AC, with an interrupting capacity of 50kA at 480V, and supports 3-phase power systems. The unit weighs 34 lb and features a bolt-on connection for secure installation. This breaker complies with industry standards for industrial electrical applications, providing reliable overload and short circuit protection. It is typically used in demanding industrial environments requiring high interrupting capacity and precise trip coordination.

Key Features & Specifications
  • Type: Molded Case
  • Family: Seltronic
  • Functions: LS - Long-Time and Short-Time
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC Rating: 50kA@480V
  • Weight: 34 lb
  • Frame: Mark 75, HMCA Frame
  • Trip Unit: Thermal Magnetic