My parts list/tender specifications

Busch-Rotary-Dimmer Insert Turn/push button 230 V 200...800 V·A

Data Sheet:

With rotary control, 2way On-Off switching and soft-catch. Leading Edge control. For incandescent lamps, 230 V tungsten halogen lamps and low-volt halogen lamps with conventional transformer. Short-circuit-proof, overload-protected. With adjustable minimum brightness. Without cover plate. Without claws.