Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 4: Switched socket-outlets with or without interlock (IEC 60309-4:2021); German version EN IEC 60309-4:2022
Plugs, fixed or portable socket-outlets and appliance inlets for industrial purposes - Part 4: Switched socket-outlets with or without interlock (IEC 60309-4:2021); German version EN IEC 60309-4:2022
Draft Document - Plugs, socket-outlets and couplers for industrial purposes - Part 4: Switched socket-outlets and connectors with or without interlock (IEC 23H/393A/CD:2017); Text in German and English
Plugs, socket-outlets and couplers for industrial purposes - Part 4: Switched socket-outlets and connectors with or without interlock (IEC 60309-4:2006, modified + A1:2012); German version EN 60309-4:2007 + A1:2012
Plugs, socket-outlets and couplers for industrial purposes - Part 4: Switched socket-outlets and connectors with or without interlock (IEC 60309-4:2006, modified); German version EN 60309-4:2007
Special female sockets for connecting cables and switchboards for motion-picture and television studio use; single pole special socket for protective conductor