Arcolectric Single Pole Single Throw (SPST), Latching Rocker Switch Panel. Panel Cut Out Diameter: 20.2mm. Contact Current Rating: 10 A @ 250 V ac. Actuator Colour: Black. Mounting Type: Panel Mount. Terminal Type: Quick Connect. Panel Cut Out Size: 20.2 (Dia.)mm. MPN: R13112AAAA