The rockers are attached to the 2-gang push-button
module.
To be completed with: Push-button module, 2-gang, art. no. System Design 568199.
In KNX, to be completed with: EIB push-button module, 2-gang, art. no. System Design 626299.
Accessories: Protective hood for plaster, System Design, art. no. 628091...