Door coupling rotary handle for use as main switch according to EN 60204 having plug-in extension shaft PKZ0-XAH, can be cut to desired length for mounting depths from 100…200 mm. Carrier with extension shaft included as standard. With ON/OFF switch position and “+” (tripped) lockable in the off position with 3 padlocks 4...8 hasp thickness. Cannot be used in combination with VHI20-PKZ0.