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Square D MAL36400 - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D MAL36400 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a 400A current rating and a 600V AC voltage rating, housed within a robust M-frame construction with a feed-thru connection for 500 MCM conductors. This thermal-magnetic breaker offers LI (Long-time and Instantaneous) trip functions, is certified to UL, CSA, and IEC standards, and provides an interrupting capacity of 30kA at 480V AC for robust short-circuit protection. Its design is suited for main feeder and branch circuit protection in industrial panels, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, LI (Long-time and Instantaneous) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: M Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 30kA @ 480V AC
  • Connection: Feed-Thru
  • Wire Size: 500 MCM
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Certification: UL, CSA, IEC
  • Family: MAL Series
  • Weight: 40 lb


Product Identification
  • UPC: 782634803492
  • GTIN: 00782634803492