- Factory Stock in Ontario
Nema 3R Circuit Breaker Enclosure For An M4-frame 400-600 A Breaker
X600-600TYPE 3R
1605
– Loyalty Rewards
17 In Ontario Factory Warehouse As Of Jan 19 2026
- Factory Stock in Ontario
Nema 3R Circuit Breaker Enclosure For An M2-frame 175-250 A Breaker
X250-600TYPE 3R
881
– Loyalty Rewards
7 In Ontario Factory Warehouse As Of Jan 19 2026
- Factory Stock in Ontario
Nema 3R Circuit Breaker Enclosure For An M1-frame 30-150 A Breaker
X150-600TYPE 3R
818
– Loyalty Rewards
8 In Ontario Factory Warehouse As Of Jan 19 2026
- Factory Stock in Ontario
Nema 3R Circuit Breaker Enclosure For An M3-frame300- 400 A Breaker
X400-600TYPE 3R
1322
– Loyalty Rewards
9 In Ontario Factory Warehouse As Of Jan 19 2026
Built for Canadian climates,NEMA 3R circuit breaker enclosures protect breakers from rain, sleet, and corrosion in outdoor electrical installations. Ideal for service-entrance disconnects, HVAC systems, and feeder breakers, these enclosures maintain full compliance with CSA C22.2 No. 5 and UL 489 standards.
Each unit features a rain-tight cover, padlockable handle, and pre-punched conduit knockouts. Compatible with Noark Ex9 M1–M4 frames from 15 A to 600 A, these enclosures ensure reliable operation and easy installation in any Canadian outdoor environment.