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Square D LHF36350V - Molded Case Breaker 350A 600V 3-Pole

Square D
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Square D LHF36350V is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 350A continuous current, and delivers a 35kA interrupting capacity at 480V AC. This L Frame breaker features a bolt-on connection, thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions, and measures 12.5 inches in height, 6 inches in width, and 4 inches in depth, weighing 20 lb. It complies with industry standards for molded case circuit breakers and is intended for use in panelboards, switchboards, and motor control centers requiring reliable short-circuit and overload protection. Note that this unit does not include lugs; consult a sales representative with wiring specifications for the appropriate lug part number.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, L Frame, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Dimensions: Height 12.5 in (317.50 mm), Width 6 in (152.40 mm), Depth 4 in (101.60 mm)
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit breaker
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Standard molded case
  • Shipping Dimensions: 12.5 x 6 x 4 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 350A
  • AIC rating: 35kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Standard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard
  • Panel Style: Standard
  • 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: Bolt-On
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: Not specified
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 350A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Circuit breaker
  • Wire Size: Not specified
  • Certification: UL/CSA listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: L Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 350A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


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