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Square D MHL3645025DC1679 - Molded Case 450A 600V 3-Pole

Square D
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Square D MHL3645025DC1679 is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It operates at 600V with a 450A current rating and provides thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. This three-pole breaker features a feed-thru connection, an M Frame size, and measures 8.05 inches in depth, 8.27 inches in width, and 12.86 inches in height, weighing 54 lb. It is rated for 20kA interrupting capacity at 500V and complies with industry standards for three-phase applications. Typical uses include protecting feeders, motors, and main distribution panels in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 450A
  • Dimensions: Depth 8.05 in (204.47 mm) Width 8.27 in (210.06 mm) Height 12.86 in (326.64 mm)
  • Standards: Industry standard for three-phase applications
  • Applications: Industrial power distribution, feeder protection, motor protection
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • AIC rating: 20kA@500V
  • Weight: 54 lb


Product Identification
  • UPC: Not available
  • GTIN: Not available