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Square D MGL26400 - Molded Case Circuit Breaker 400A 600V

Square D
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Square D MGL26400 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 400A 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 28.001 lb. The breaker utilizes solid-state protection with Long-Time and Instantaneous (LI) trip functions and is constructed for operation in temperatures from -25°C to 70°C. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, making it suitable for integration into equipment gear and panelboards requiring a 35kA interrupting capacity at 480V.

Key Features & Specifications
  • Type: Standard molded case circuit breaker with solid-state protection and LI (Long-Time & Instantaneous) trip functions
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Frame Size: 800A/M
  • Poles: 2
  • AIC Rating: 35kA @ 480V AC
  • Connection: Lug In/Lug Out with Box Lug terminals
  • Wire Size: 3 x AWG 3/0 to 3 x 500 kcmil (aluminium/copper)
  • Phase: 1
  • 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: 28.001 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Panel Type: Equipment Gear
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901507567
  • GTIN: 00785901507567