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Square D LHL36300-BLACK - Molded Case Breaker 300A 600V 3-Pole

Square D
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Square D LHL36300-BLACK is a molded case circuit breaker from the LHL Series, designed for overcurrent protection in industrial power distribution systems. This 3-pole, 300A breaker operates at 600VAC with a 35kA interrupting capacity at 480V, utilizing thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit features a feed-thru connection configuration within an L Frame size, measuring 69.13 inches in height, 36.62 inches in width, and 17.75 inches in depth, with a weight of 20 lb. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: LHL Series Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: Depth 17.75 in (450.85 mm), Width 36.62 in (930.15 mm), Height 69.13 in (1755.90 mm)
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 300A
  • 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: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: Not specified
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: Not specified
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: L Frame
  • Current Rating: 300A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


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