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Square D LGL36400CU43XAB - 400A 3-Pole MCCB (600V)

Square D
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Square D LGL36400CU43XAB is a 400A molded case circuit breaker from the Powerpact LGL family, designed for primary protection in industrial power distribution systems. It operates at 600V with a 35kA interrupting capacity at 480V and utilizes solid-state LSI (Long-Time, Short-Time, and Instantaneous) trip functions for precise overcurrent protection. The unit features a 3-pole, 100% rated L Frame construction with lug-type terminal connections, measuring 13.39 in (340 mm) in height, 5.64 in (143.26 mm) in width, and 5.38 in (136.65 mm) in depth, weighing 5.19 lb. It complies with UL, CSA, NEMA, NOM, and IEC standards, with certifications from UL, CSA, NEMA, NOM, and IEC. This breaker is suited for three-phase industrial applications requiring reliable solid-state protection in environments with a temperature rating of 28-158 °F (-2-70 °C).

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Type: LGL
  • Current Rating: 400A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Frame Size: L Frame
  • Breaker Type: 100% rated
  • Protection: Solid State
  • Functions: LSI - Long-Time Short-Time and Instantaneous
  • AIC rating: 35kA@480V
  • Terminal Connection: Lug
  • Dimensions: Height 13.39 in (340 mm) x Depth 5.38 in (136.65 mm) x Width 5.64 in (143.26 mm)
  • Weight: 5.19 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM, IEC
  • Certification: UL, CSA, NEMA, NOM, IEC
  • Mounting Type: Panel/Surface Mount
  • Trip Unit: Thermal-Magnetic
  • Application: Industrial Power Distribution