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Schneider Electric LDP36400U31X - 400A 3-Pole Molded Case Breaker

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Schneider Electric LDP36400U31X is a Powerpact L Frame molded case circuit breaker designed for solid-state overcurrent protection in industrial power distribution systems. This 3-pole breaker is rated for 400A continuous current at 600VAC with an interrupting capacity of 18kA at 480V, utilizing LI (Long-Time and Instantaneous) trip functions for precise fault management. The unit measures 13.4 in x 5.5 in x 4.3 in (340 mm x 140 mm x 110 mm) and weighs 16.389 lb, featuring a bolt-on connection and accommodating wire sizes from 2 x AWG 2/0 to 500 kcmil aluminum or copper. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM. Typical applications include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers requiring reliable solid-state trip performance.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Protection, LI Trip
  • 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, switchboards, panelboards, motor control centers
  • Switch Type: Molded Case
  • Configuration: 3-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: N/A
  • Shipping Dimensions: N/A
  • Phase: 3
  • Amperage: 400A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous trip
  • Frame Size: L Frame
  • Trip Type: Solid State
  • Panel Type: N/A
  • Breaker Type: Powerpact
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 2/0...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: Bolt-On
  • 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: 2 x AWG 2/0...500 kcmil aluminium/copper
  • 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: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: N/A
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: L Frame
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • 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: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 078590146445
  • GTIN: 00785901464457