What is the DU221RB general duty safety switch used for? The DU221RB general duty safety switch is a non-fusible disconnect switch designed for residential and commercial applications. It supports 2-pole, 2-wire configurations and is rated for 240V AC and 30A, making it suitable for light-duty electrical disconnect needs. What are the technical specifications of the DU221RB safety switch? This switch features a surface-mounted design, lug-type electrical connections, and a Type 3R NEMA-rated enclosure for outdoor use. It measures 9.63 in (height) x 7.75 in (width) x 3.75 in (depth) and weighs 7.7 kg. It supports AWG 14 to AWG 6 copper and AWG 12 to AWG 6 aluminum conductors. How is the DU221RB safety switch installed and configured? The DU221RB is installed on a surface and includes a bolt-on hub provision. It uses lug terminals and supports a tightening torque of 30 lbf. It is UL listed under file E2875. What are the benefits of the DU221RB within the general duty safety switch range? Part of Schneider Electric’s general duty safety switch series, the DU221RB offers reliable disconnect functionality, straightforward installation, and compatibility with residential or commercial electrical systems. What motor loads can the DU221RB safety switch handle? The DU222RB supports this motor load: 3 hp at 240V AC for 1-phase motors.