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Square D MHL36100040DC - Molded Case Circuit Breaker 1000A 600V

Square D
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Square D MHL36100040DC is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a 1000A current rating and a 600V voltage rating, engineered to interrupt faults with a 20kA interrupting capacity at 500VDC. The unit is constructed with a robust M-frame in a three-pole, feed-thru configuration, measuring 8.27 in (210.06 mm) wide by 8.05 in (204.47 mm) deep by 12.86 in (326.64 mm) high and weighing 40 lb. This thermal magnetic breaker provides combined long-time and instantaneous (LI) protection functions, ensuring compliance with industry standards for electrical safety and equipment protection. It is typically applied in main feeder and branch circuit protection for industrial control panels, switchboards, and other high-capacity electrical infrastructure.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MHL Series, Thermal Magnetic Protection
  • Voltage Rating: 600V
  • Current Rating: 1000A
  • Dimensions: 8.27 in W x 8.05 in D x 12.86 in H (210.06 mm x 204.47 mm x 326.64 mm)
  • Weight: 40 lb
  • Standards: Industry standards for circuit protection
  • Applications: Main feeder and branch circuit protection in industrial power distribution
  • Phase: 3
  • AIC Rating: 20kA @ 500VDC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: M Frame
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer Part Number: MHL36100040DC