Square D LGP36400CU31X - Molded Case 400A 600V 3P Breaker
Square D LGP36400CU31X - Molded Case 400A 600V 3P Breaker

Square D LGP36400CU31X - Molded Case 400A 600V 3P Breaker

Square D
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Square D LGP36400CU31X is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a solid-state trip unit with long-time and instantaneous (LI) protection functions, rated for 400A at 600V AC with an interrupting capacity of 35kA at 480V. The robust L-frame unit measures 340 mm H x 140 mm W x 110 mm D, weighs 15 lb, and utilizes a bolt-on connection for secure installation, accepting conductors from 2/0 AWG to 500 kcmil. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is rated for operation in temperatures from -25°C to 70°C (-13°F to 158°F), making it suitable for industrial panels, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip Unit, L Frame
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Switchboards, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • Connection: Bolt-On
  • Wire Size: 2 x AWG 2/0...500 kcmil (Aluminium/Copper)
  • AIC Rating: 35kA @ 480V
  • Protection: Solid State, LI (Long-Time & Instantaneous Trip)
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: United States
  • Weight: 15 lb


Product Identification
  • UPC: 785901723530
  • GTIN: 00785901723530