Square D > 30 Amp 120/240 VAC Non-Fusible Safety Switch > 2 Pole

Square D 30 Amp 120/240 VAC Non-Fusible Safety Switch Poles: 2 Manufacturer Part Number: DU221RB

Switches are rainproof NEMA 3R with external lockable switch handle and door. Switches serve as service disconnects (non-fusible) and overcurrent devices (fusible) for 120/240 Vac systems. Only the fusible switches include a factory installed neutral assembly. Switches include main lugs and ground screw. 3R switches accept top bolt-on hubs.

For Square D safety switches, the "N" in NRB stands for Neutral.
NRB = Isolated terminal block equipped switch. For Square D RB models = No terminal block.