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Square D LGA36400CU43XEHYP - Molded Case Breaker 400A 600V

Square D
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The Square D LGA36400CU43XEHYP is a Powerpact LGA molded case circuit breaker from Schneider Electric, designed to provide solid-state protection for electrical systems. This 100% rated, three-pole breaker delivers a 400A current rating at 600VAC, with a 35kA interrupting capacity at 480VAC, and features LSI trip functions for long time, short time, and instantaneous protection. It measures 13.39 inches in height, 4.44 inches in width, and 3.09 inches in depth, weighing 15.9 lb, and is constructed with an L frame and I-Line or Lug terminal connections. The breaker complies with UL, CSA, NEMA, NOM, and IEC standards, and operates within a temperature range of 28 to 158 °F (-2 to 70 °C). This unit is suitable for industrial applications requiring precise overcurrent protection in three-phase power distribution systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Dimensions: Height 13.39 in (340 mm) x Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Standards: UL, CSA, NEMA, NOM, IEC
  • Applications: Industrial power distribution, overcurrent protection
  • Switch Type: Circuit Breaker
  • Configuration: 3 Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 35kA@480V
  • Connection: I-Line, Lug
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long Time, Short Time and Instantaneous Trip
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Panel Type: Not specified
  • Breaker Type: 100% rated
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 400A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL, CSA, NEMA, NOM, IEC
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: I-Line, Lug
  • Frequency Rating: Not specified
  • Phase Connection: 3 Phase
  • Standards: UL, CSA, NEMA, NOM, IEC
  • Compatible Frames: L Frame
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 400A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not specified
  • GTIN: Not specified