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Square D MGL36450 - Molded Case Circuit Breaker 450A 600V

Square D
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Square D MGL36450 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 450A current rating and a 600V AC voltage rating, housed within a robust 800A/M frame with dimensions of 326.64 mm H x 210.06 mm W x 204.47 mm D and a weight of 29.019 lb. The breaker is constructed with solid-state protection for precise long-time and instantaneous (LI) tripping functions and utilizes a lug-in/lug-out connection with box lugs compatible with wire sizes from 3/0 AWG to 500 kcmil. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring suitability for use in three-phase equipment gear and panelboards across a wide operating temperature range from -25°C to 70°C.

Key Features & Specifications
  • Type: Standard molded case circuit breaker with solid-state protection and long-time/instantaneous (LI) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Frame Size: 800A/M
  • AIC Rating: 35kA at 480V
  • Poles: 3
  • Phase Connection: ABC
  • Connection: Lug In/Lug Out with Box Lug terminals
  • Wire Size: 3 x AWG 3/0 to 3 x 500 kcmil (aluminium/copper)
  • Dimensions: 326.64 mm H x 210.06 mm W x 204.47 mm D (12.86 in x 8.27 in x 8.05 in)
  • Weight: 29.019 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Panel Type: Equipment Gear
  • Protection: Solid State
  • Breaker Type: Standard
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901607199
  • GTIN: 00785901507666