Description
The Square D QO320L125G is a three-phase load center engineered to distribute power safely and efficiently in commercial and light industrial electrical systems. Featuring a 125-amp fixed main lug configuration, this load center supports up to 20 circuits within a compact indoor enclosure. It is designed for use with QO circuit breakers and operates across multiple three-phase voltage configurations.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Power Distribution |
| Part Number |
QO320L125G |
| Subcategory |
Load Centers |
| Series |
QO |
| Product Type |
Load Center |
| Rated Current |
125 A |
| Number of Spaces |
20 |
| Maximum Circuits |
20 |
| Number of Phases |
3 Phase |
| Voltage Rating |
208Y/120 V AC, 240/120 V Delta AC, 240 V Delta AC |
| Busbar Material |
Tin-Plated Copper |
| Enclosure Rating |
NEMA 1 Indoor |
| Enclosure Material |
Welded Sheet Steel |
| Electrical Connection |
Lugs |
| Ground Bar |
Included (Not Installed) |
| Ambient Operating Temperature |
23 °F to 104 °F (-5 °C to 40 °C) |
| Height |
20.9 in (531 mm) |
| Width |
14.3 in (362 mm) |
| Weight |
12.95 lb (5.87 kg) |
Information About QO320L125G
The QO320L125G is part of Square D’s QO series, known for durable construction and reliable electrical distribution performance. This load center utilizes tin-plated copper busbars housed in a welded steel enclosure with a baked enamel gray finish for long-term durability. It supports three-phase, three-wire and four-wire systems and is compatible with both copper and aluminum conductors. Intended for indoor installations, the unit includes a grounding bar and provides flexibility for various commercial power distribution layouts.
Key Features:
- 125 Amp Main Lug Rating: Supports reliable power distribution for moderate-load three-phase systems.
- Three-Phase Compatibility: Designed for both 3-phase 3-wire and 3-phase 4-wire electrical configurations.
- 20 Space Design: Accommodates up to 20 single-pole circuits without tandem breakers.
- Tin-Plated Copper Busbars: Enhance conductivity and corrosion resistance.
- NEMA 1 Indoor Enclosure: Suitable for dry, indoor electrical rooms and utility spaces.
- Fixed Main Lugs: Provides a stable, non-convertible main lug connection.
- Ground Bar Included: Supplied with a grounding bar for proper system grounding.
The QO320L125G delivers the reliability and precision required for three-phase indoor power distribution systems.
