Busbar 1-, 4-pole, 6 mm, Busch-Installationbus KNX, system components/accessories, busbar 1-, 4-pole, 6 mm For cross-wiring the phase of the universal dimming actuators 6197/1x-101, as well as the potential-free contacts of REG devices. For parallel connection of the channels of the universal dimming actuators 6197/1x-101 on the output side. Reduces the wiring effort and creates secure connections. The busbar can be shortened to the desired length and closed with the end caps 6199/02. Protection class device: none