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Square D MHB36500 - Molded Case 500A 600V Breaker

Square D
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Square D MHB36500 is a 3-pole, 500A molded case circuit breaker from the I-Line family, designed for overload and short-circuit protection in commercial and industrial power distribution systems. It operates at a voltage rating of 600V and provides a 65kA interrupting capacity at 480V, with a thermal magnetic trip unit offering LI (Long-Time and Instantaneous) functions for precise fault response. The breaker features an M Frame size, measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighs 40 lb, and utilizes an I-Line style plug-in connection for secure mounting in busway systems. It complies with industry standards for high-interrupting applications, ensuring reliable performance in demanding electrical environments. Typical applications include main or feeder protection in switchboards, panelboards, and industrial power distribution panels.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: MHB36500
  • Type: MHB
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Poles: 3
  • Current Rating: 500A
  • Voltage Rating: 600V
  • Frame Size: M Frame
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Phase: 3
  • 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


Part Number: MHB36500