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Square D MHL3660033DC1680 - Molded Case Circuit Breaker 600A 600V

Square D
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Square D MHL3660033DC1680 is a 600 Amp, 3-pole molded case circuit breaker from the MHL Series, designed for overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V and a current rating of 600A, utilizing a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions for overload and short circuit protection. The unit features an M Frame size, feed-thru connections, and weighs 40 lb, with dimensions of 8.05 in depth, 8.27 in width, and 12.86 in height. It complies with UL, CSA, and NEMA standards, offering an interrupting rating of 65 kA at 240V and 480V, 25 kA at 600V, and an AIC rating of 20 kA at 500VDC. This breaker is suitable for use with copper or aluminum conductors in three-phase applications requiring reliable fault current interruption.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: MHL Series
  • Type: MHL
  • Current Rating: 600 Amps
  • Number of Poles: 3
  • Voltage Rating: 600 Volts
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Connection: Feed-Thru
  • Phase: 3
  • Interrupting Rating (UL/CSA/NEMA): 65 kA at 240V and 480V, 25 kA at 600V
  • AIC rating: 20kA@500VDC
  • Dimensions: Depth 8.05 in (204.47 mm) Width 8.27 in (210.06 mm) Height 12.86 in (326.64 mm)
  • Weight: 40 lb
  • Wire Compatibility: Copper/Aluminum conductors


Part Number: MHL3660033DC1680