Square D QO PoN Convertible Main Breaker Load Center
The Square D QO PoN Convertible Main Breaker Load Center is a single-phase indoor panelboard from the QO series, engineered to accept QO circuit breakers, ground fault interrupters, arc fault interrupters, and surge arresters. This PoN (Plug-on Neutral) convertible-main configuration is available with main breaker ratings from 150A to 200A, letting contractors match the load center to the service size on a job, and the QO family is offered across multiple space and circuit configurations, including versions with 40 spaces and 60 circuits. The unit features a combination flush/surface cover, a NEMA 1 indoor enclosure, welded sheet steel construction, and a 22 kA short circuit current rating for dependable, code-compliant electrical distribution, and it is UL Listed.
Key Features
- Convertible Main Breaker: PoN (Plug-on Neutral) convertible-main configuration, available in main breaker ratings from 150A to 200A, simplifies field conversion and wiring.
- Space & Circuit Capacity: Configurations up to 40 spaces and 60 circuits for flexible residential distribution.
- Durable Construction: Welded sheet steel enclosure rated NEMA 1 for indoor use.
- Electrical Connection: Lugs provide secure conductor termination, with 50% more terminations for clutter-free wiring.
- Cover Type: Combination flush/surface cover adapts to multiple installation styles.
- Short Circuit Current Rating: 22 kA for robust fault protection.
- Straight-In Wiring: Saves wire, labor, and installation time.
- SPD Compatible: Compatible with the Square D QO Plug-on Neutral Whole Home SPD.
Certifications & Compliance
- UL Listed
- NEMA 1 Indoor Enclosure
- RoHS Exemption Documented
Technical Specifications
- Range Of Product: QO
- Load Center Type: PoN Convertible Mains (breaker)
- Number Of Circuits: 40
- Main Breaker Rating: 150A to 200A
- Product Certifications: UL Listed
- Toxic Heavy Metal Free: Yes
- Mercury Free: Yes
- ROHS Exemption Information: Yes
- ROHS Eur In Scope: Yes
- ROHS Eur Full Compliance Status Id: COMPLIANT
Typical Applications
- Residential Electrical Panel Upgrades and New Installations
- Panelboard and Load Center Wiring
- Circuit Breaker, GFCI, AFCI, and Surge Arrester Distribution
- Whole-Home Surge Protection Integration
- Indoor Residential and Light Industrial Electrical Systems
Why Square D?
Square D QO Load Centers combine welded sheet steel construction with a 22 kA short circuit current rating and UL Listing for superior performance and durability. Straight-in wiring and 50% more terminations help electricians work faster and keep installations clutter-free, main breaker ratings from 150A to 200A cover a wide range of residential service sizes, and QO SPD compatibility lets contractors add surge protection on the same platform.
"Manufacturer Resources
Product Specs
- Product Type:
- Load Center
- Series:
- QO
- Configuration:
- NEMA 1 Enclosure
- Listing:
- UL Listed
- Product Material:
- Steel
- Department:
- Electrical
- Product Group:
- Power Distribution
- Amperage Rating:
- 150A - 200A
- Product Subgroup:
- Panelboards & Load Centers