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Square D MHP36300V - 3-Pole 300A Molded Case Circuit Breaker (600V AC)

Square D
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Square D MHP36300V is a 3-pole molded case circuit breaker designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 300A continuous current, and delivers a 65kA interrupting capacity at 480V AC. The unit features an M-frame construction with bolt-on connections, measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighing 35 lb. It complies with UL and NEMA standards for safe operation in commercial and industrial environments. Typical applications include motor control centers, switchboards, and panelboards requiring reliable long-time and instantaneous (LI) trip functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MHP Series, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: Depth 8.05 in (204.47 mm), Width 8.27 in (210.06 mm), Height 12.86 in (326.64 mm)
  • Weight: 35 lb
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Frame Size: M Frame
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, motor control centers, switchboards


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