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Square D LGP36400U31X - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D LGP36400U31X is a molded case circuit breaker designed for providing reliable overcurrent protection in 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 breaker is constructed with a robust L-frame, measures 340 mm H x 140 mm W x 110 mm D, and utilizes a bolt-on connection for secure installation with conductors ranging from 2/0 AWG to 500 kcmil. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is engineered for operation in ambient temperatures from -25°C to 70°C, making it suitable for switchboards, panelboards, and industrial control panels.

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 H x 5.5 in W x 4.3 in D (340 mm x 140 mm x 110 mm)
  • Weight: 15 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Applications: Industrial Power Distribution, Switchboards, Panelboards
  • Functions: LI - Long-Time and Instantaneous Trip
  • Protection: Solid State
  • Connection: Bolt-On
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V
  • Frame Size: L Frame
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Wire Size: 2 x AWG 2/0...500 kcmil (Aluminium/Copper)
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901639824
  • GTIN: 00785901639824