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Square D QO124L150G - Load Center 150A 240V 1-Phase

Square D
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The Square D QO124L150G is a 150-amp main lug load center from the QO series, designed for residential and light commercial branch circuit protection and power distribution. It operates on a single-phase 240V AC system with a 150A continuous current rating, accommodating up to 24 circuits with a 3-wire configuration. This NEMA 1 indoor enclosure measures 16.48 lb and features a tin-plated copper bus for reliable conductivity and corrosion resistance. It complies with UL 67 and CSA standards for safe installation in dry locations. Typical applications include subpanels in residential basements, garages, or commercial offices where main breaker protection is provided upstream.

Key Features & Specifications
  • Type: Main lug load center, indoor NEMA 1 enclosure, tin-plated copper bus
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Dimensions: 16.48 lb weight
  • Standards: UL 67, CSA
  • Applications: Residential and light commercial subpanels
  • Switch Type: Main lug only
  • Configuration: 24-circuit, 3-wire
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: 60/75°C
  • Shipping Dimensions: 16.48 lb
  • Phase: 1
  • Voltage: 240V
  • Amperage: 150A
  • AIC rating: 10,000 AIC
  • Connection: Main lug
  • Poles: 1, 2
  • Protection: Branch circuit
  • Functions: Power distribution
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: QO
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: #14-2/0 AWG
  • Metal Type: Steel enclosure
  • Panel Style: Flush or surface mount
  • Bus Type: Tin-plated copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 60/75°C
  • 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: Flush or surface
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 3
  • Amperage Maximum: 150A
  • Amperage Minimum: 15A
  • Nema Rating: 1
  • Switch Style: Main lug
  • Wire Size: #14-2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Screw
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 67, CSA
  • Compatible Frames: QO
  • Installation Type: Indoor
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 150A
  • 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
  • GTIN: 785901847915