Schneider Electric 9421-ND3 Push Button Switch

Schneider Electric's Square D 9421-ND3 is a fusible disconnect switch that provides a dedicated means to safely isolate power to electrical equipment. It is rated up to 60 A and 600 V and uses Class J fuses, delivering reliable overcurrent protection for feeders and devices in indoor installations. The 9421ND3 is offered as a NEMA 2‑rated indoor disconnect, catalog number 9421ND3, reflecting its suitability for standard indoor electrical setups and serviceability with compatible Class J fuses. As part of the Square D/Schneider Electric 9421 family, this switch combines robust construction with straightforward disconnect functionality for compliant power shutdowns.