QO and QOB miniature switches are intended for use as disconnecting devices only. They provide no overcurrent protection. This 2 pole QO molded case switch is rated at 100A at 240VAC. This product has a breaking capacity of 10kA with plug in mounting. It has a NEMA 1 rating. Shunt trip and bell alarm electrical accessories are not available on this miniature switch. A complete range of handle accessories are available for this switch. QO and QOB miniature switches in an enclosure are UL listed under UL file E59921 and are CSA certified under file 025490_S_000 class 465204. QO and QOB miniature switches in an enclosure are UL listed under UL file E59921 and are CSA certified under file 025490_S_000 class 465204.