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Square D MHL36120040DC1680 - Molded Case Circuit Breaker 1200A 600V

Square D
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Square D MHL36120040DC1680 is a molded case circuit breaker designed for providing robust overcurrent protection in demanding three-phase industrial power distribution systems. It features a 1200A current rating and a 600V voltage rating, engineered to interrupt faults with an interrupting capacity of 20kA at 500VDC. The unit is constructed with a durable M Frame in a three-pole, feed-thru configuration, featuring thermal-magnetic protection with long-time and instantaneous (LI) trip functions for reliable performance. This breaker complies with relevant industry standards for safety and performance in electrical protection. Its design is suitable for integration into switchboards, panelboards, and other industrial control equipment requiring high-current circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MHL Series, Thermal Magnetic Protection with Long-Time and Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • 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: Meets applicable industry standards for circuit protection
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: M Frame
  • AIC Rating: 20kA @ 500VDC