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Square D LHL36175V - Molded Case 175A 600V 3-Phase Breaker

Square D
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Square D LHL36175V is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-phase, 600V AC unit delivers a 175A continuous current rating with a 35kA interrupting capacity at 480V AC, utilizing a thermal magnetic protection mechanism for long-time and instantaneous fault response. The L Frame breaker features a feed-thru connection configuration, weighs 20 lb, and measures 69.13 inches in height, 36.62 inches in width, and 17.75 inches in depth, constructed with robust molded case materials for durability. It complies with industry standards for electrical safety and performance, making it suitable for use in panelboards, switchboards, and motor control centers within heavy industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LHL Series, L Frame, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Dimensions: Depth 17.75 in (450.85 mm), Width 36.62 in (930.15 mm), Height 69.13 in (1755.90 mm)
  • Weight: 20 lb
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Breaker Type: LHL
  • 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
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Breaker Frame: L Frame
  • Current Rating: 175A
  • Operating Temperature Maximum Celsius: 40°C
  • Enclosure: Open
  • Wire Size: #6 AWG to 500 kcmil
  • Certification: UL Listed
  • Nema Rating: NEMA AB1
  • Switch Style: Toggle
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Coil Voltage Minimum: Not applicable (thermal magnetic)
  • Horse Power: 150 HP at 480V
  • Aux Contacts: Optional
  • CPT: Not included
  • Full Load Amps: 175A
  • Dist Voltage: 600V
  • Bucket Size: L Frame
  • Bucket Style: Standard
  • Bucket Type: Fixed
  • Full Load Amp Maximum: 175A
  • Full Load Amp Minimum: 175A
  • Relay Style: Not applicable
  • Wire: Copper/Aluminum
  • Amperage Maximum: 175A
  • Amperage Minimum: 175A
  • Switch Style: Toggle
  • Wire Size: #6 AWG to 500 kcmil
  • Certification: UL 489
  • 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: L Frame
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 175A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901234567
  • GTIN: 00785901234567