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Square D MHL364001380 - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D MHL364001380 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 enclosure measuring 204.47 mm in depth, 210.06 mm in width, and 326.64 mm in height with a weight of 40 lb. The breaker utilizes a thermal-magnetic trip unit with long-time and instantaneous (LI) protection functions and offers a high interrupting capacity of 65kA at 480V AC. It is engineered for feed-thru connection in three-pole configurations, making it suitable for protecting feeders and branch circuits in industrial control panels and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, MHL Series
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 204.47 mm D x 210.06 mm W x 326.64 mm H (8.05 in x 8.27 in x 12.86 in)
  • Weight: 40 lb
  • Standards: Designed to meet applicable industry standards for circuit protection
  • Applications: Industrial power distribution, feeder protection, branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: MHL
  • Trip Type: Thermal-Magnetic


Product Identification
  • Manufacturer Part Number: MHL364001380