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Square D MAF36400 - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Save $-2,033.30
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Square D MAF36400 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, engineered to interrupt fault currents up to 30kA at 480V. The breaker is constructed with a robust M-Frame, utilizes a three-pole bolt-on connection, and incorporates a thermal-magnetic trip unit for both long-time and instantaneous (LI) protection functions. This unit complies with relevant industry standards for safety and performance, making it suitable for use in panelboards, switchboards, and other industrial control equipment where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MAF Series, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: M Frame
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 30kA @ 480V AC
  • Phase: 3
  • Functions: LI (Long-Time and Instantaneous)
  • Trip Type: Thermal-Magnetic
  • Weight: 38 lb
  • Standards: Designed to meet applicable industry standards for circuit protection.
  • Applications: Industrial power distribution, panelboards, switchboards, and motor control centers.
  • Additional Info: Lugs are not included; specific lug part numbers require wiring specifications.