Square D QO320L125GRB - Load Center 125A 3-Phase Outdoor
Square D QO320L125GRB - Load Center 125A 3-Phase Outdoor

Square D QO320L125GRB - Load Center 125A 3-Phase Outdoor

Square D
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Square D QO320L125GRB is a 125A three-phase load center designed for residential and light commercial power distribution and circuit protection in outdoor applications. It operates at 120/240 VAC and supports a 125A main breaker, with wire connections accommodating AWG 6 to AWG 2/0 aluminum or copper conductors. The unit measures 14.77 inches by 22.5 inches, weighs 24.749 lb, and features a NEMA 3R rainproof enclosure suitable for outdoor mounting, with an operating temperature range of -13°F to 158°F (-25°C to 70°C). It is UL Listed and RoHS compliant, ensuring adherence to safety and environmental standards. Typical applications include main breaker panels for residential service entrances, subpanels in commercial buildings, and industrial lighting or equipment circuits requiring 125A capacity.

Key Features & Specifications
  • Type: Load Center, main breaker configuration, outdoor NEMA 3R enclosure
  • Voltage Rating: 120/240 VAC
  • Current Rating: 125A
  • Dimensions: 14.77 in x 22.5 in
  • Standards: UL Listed, RoHS Compliant
  • Applications: Residential service entrances, commercial subpanels, industrial lighting circuits
  • Switch Type: Main breaker
  • Configuration: 3-phase, 4-wire
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: 14.77 in x 22.5 in
  • Phase: 3
  • Voltage: 120/240 VAC
  • Amperage: 125A
  • AIC rating: Not specified
  • Connection: Wire, AWG 6 to AWG 2/0 Al/Cu
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Main disconnect
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: Load center
  • Breaker Type: Main
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel enclosure
  • Panel Style: Outdoor
  • Bus Type: Aluminum
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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: Surface
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 125A
  • Dist Voltage: 120/240 VAC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 125A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: NEMA 3R
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 4
  • Amperage Maximum: 125A
  • Amperage Minimum: Not applicable
  • Nema Rating: 3R
  • Switch Style: Main breaker
  • Wire Size: AWG 6 - AWG 2/0 Al/Cu
  • Certification: UL Listed, RoHS Compliant
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Wire
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-phase, 4-wire
  • Standards: UL, RoHS
  • Compatible Frames: QO
  • Installation Type: Surface mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 125A
  • 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: 70°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901295426
  • GTIN: 785901295426