High quality round rocker switch from leading manufacturer SCI to fit the standard 20mm panel cut out. 10A 250V AC rating to suit most standard applications. On Off On, single pole double throw (SPDT) function. This round rocker switch has a black body and black rocker and is marked with - O = rocker print to indicate on and off positions. Carries VDE (European) and UL (American) approvals and complies with RoHS.