




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
This product weighs 100 lb each and will be shipped via LTL carrier. A lift gate option will be added free of charge for your convenience.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Square D M800R N3R MG and MJ Circuit Breaker Enclosure is designed for PowerPact circuit breakers H- through Q-frame and is cULus listed. Suitable for service entrance equipment when a neutral assembly is installed. It accepts 80% rated circuit breakers and requires field-cut openings. Complies with UL & CSA certifications.
The Square D M800R is a steel NEMA 3R enclosure for PowerPact M circuit breakers, supporting 300A to 800A, and certified by UL & CSA.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!




