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Square D LHL36400V - Molded Case Circuit Breaker 400A 600V (3-Pole)

Square D
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Square D LHL36400V is a three-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It operates at a voltage rating of 600V and a continuous current rating of 400A, with an interrupting capacity of 35kA at 480V. The unit features an L Frame size, measures 11 inches in height, 6 inches in width, and 5.84 inches in depth, weighing 20 lb, and utilizes a feed-thru connection with LI (Long-Time and Instantaneous) trip functions. This breaker complies with industry standards for molded case circuit breakers, suitable for three-phase applications requiring reliable overcurrent protection. It is commonly deployed in commercial and industrial electrical panels for feeder and main circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Dimensions: Depth 5.84 in (148.34 mm), Width 6 in (152.40 mm), Height 11 in (279.40 mm)
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, feeder and main circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard industrial range
  • Shipping Dimensions: Depth 5.84 in, Width 6 in, Height 11 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 35kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Standard industrial panel
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard breaker materials
  • Panel Style: Feed-thru
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • 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: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 400A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open
  • 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: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL listed (typical)
  • Circuit Breaker Mounting Style: Panel mount
  • Terminal Connection: Feed-thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA
  • Compatible Frames: L Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 400A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: 40°C (typical)
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available