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Square D LGL36400U44X - Molded Case 400A 600V 3-Pole

Square D
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The Square D LGL36400U44X, a Powerpact molded case circuit breaker from Schneider Electric, is a 3-pole, 400A device designed for solid-state LSIG protection (Long-Time, Short-Time, Instantaneous, and Ground Fault). It operates at a maximum voltage rating of 600V with a 35kA interrupting capacity at 480V, and features a feed-thru connection with lug terminals accepting 2 x AWG 2/0 to 500 kcmil aluminum or copper wire. Physically, the L Frame breaker measures 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (H x W x D) and weighs 17.181 lb, with an operating temperature range of 28 to 158 °F (-2 to 70 °C). It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is manufactured in Mexico. This breaker is suited for industrial applications requiring reliable overcurrent and ground fault protection in 3-phase power distribution systems.

Key Features & Specifications
  • Type: Molded Case, Solid State
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, overcurrent and ground fault protection
  • Switch Type: N/A
  • Configuration: 3-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: N/A
  • Phase: 3
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 35kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 500 kcmil
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: N/A
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 400A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: 2 x AWG 2/0...500 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Lug
  • Frequency Rating: N/A
  • Phase Connection: N/A
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: N/A
  • Installation Type: N/A
  • Item QTY: N/A
  • Nema Starter Size: N/A
  • Breaker Frame: L Frame
  • Current Rating: 400A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901984818