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Square D MHL3612001287 - MHL Series 1200A 3-Pole Breaker

Square D
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Square D MHL3612001287 is a 3-pole molded case circuit breaker from the MHL Series, designed for overcurrent protection in industrial power distribution systems. It is rated for 1200A continuous current at 600VAC, with a 65kA interrupting capacity at 480VAC, and employs thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit features a feed-thru connection, an M Frame size, and measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighing 40 lb. This breaker complies with applicable industry standards for molded case circuit breakers and is suitable for 3-phase applications requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MHL Series, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 1200A
  • Dimensions: Height 12.86 in (326.64 mm), Width 8.27 in (210.06 mm), Depth 8.05 in (204.47 mm)
  • Weight: 40 lb
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • AIC rating: 65kA@480V
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA
  • Installation Type: Panelboard
  • Item QTY: 1
  • Breaker Frame: M Frame
  • Current Rating: 1200A


Product Identification
  • UPC: 635909349822
  • GTIN: 00785901175223