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  Loading... Please wait...| Square D AC Disconnect - DU221RB | 
| Square D, AC Disconnect, NEMA 3R, 30A, 240VAC, 2-Pole Unfused, Hub, 59123, DU221RB Square D offers breakers, switches, load centers, grounding kits and more. Use these General-Duty Square-D AC safety switches for single-phase or three-phase grid-tie inverter outputs if you are back-feeding a circuit breaker to make the connection to the service panel. They can also be used as a disconnect for the AC output of off-grid inverters. Use Class-R 250 VAC/125 VDC fuses with the fused versions of these disconnects. 60 A and larger General-Duty switches are rated for "Service Duty". | 
| Features 
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| General Information | |
| Manufacturer: | Square D | 
| Product Line: | Disconnect Box | 
| Model ID: | DU221RB | 
| Certifications and Safety Ratings: |  | 
| Mechanical Data | |
| Technology: | AC Disconnect Box | 
| Dimensions: | 10.50 x 5.50 x 7.50 inches | 
| Weight: | 4.70 lbs | 
| Rated Amps: | 30 Amps | 
| Rated AC Power: | 240 VAC | 
| Specifications: | DU221RB Spec Sheet | 
| Terms & Conditions | |
| Shipping: | Shipping Policy | 
| Returns: | Returns Policy | 
| Payments: | We accept: Visa, MasterCard, Discover, and American Express. We also accept checks, direct deposit and wire transfers for large orders. |