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Square D LEL36450LS - Molded Case 450A 600V 3-Pole Breaker

Square D
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The Square D LEL36450LS is a molded case circuit breaker from Schneider Electric's Micrologic family, designed for solid-state overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V with a continuous current rating of 450A, featuring LS (Long-Time and Short-Time) protection functions and a 65kA interrupting capacity at 480V in a 3-phase configuration. This 3-pole unit has a feed-thru connection, measures 3.09 inches in depth and 4.44 inches in width, and weighs 29 lb, with a country of origin in the United States. It complies with industry standards for molded case breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in industrial switchboards, panelboards, and motor control centers requiring precise solid-state trip coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker with Micrologic solid-state trip unit
  • Voltage Rating: 600V
  • Current Rating: 450A
  • Dimensions: Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, main and feeder protection
  • Switch Type: Non-fused
  • Configuration: Fixed mount
  • Coil Voltage Maximum: Not applicable (solid-state trip)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 4.44 in x 3.09 in x 4.44 in (approximate)
  • Phase: 3
  • Voltage: 600V
  • Amperage: 450A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Solid State
  • Functions: LS - Long-Time and Short-Time
  • Frame Size: LEL
  • Trip Type: Electronic (Micrologic)
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • 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: 105°C (typical for molded case)
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Fixed
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 450A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 450A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 450A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: LEL series
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LEL
  • Current Rating: 450A
  • 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
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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