Separable quick coupling with single-pole electrical connection for illuminated express train cars. Fits the prepared 26.4 cm, 27 cm and 28.2 cm wagons when installing interior lighting 73400. One trolley in the tension assembly requires a grinder 73404, 73405 or 73406. Contents: 2 short coupling heads for standard clutch mounts with contacts, 2 coupling drawbar contact sets, 1 ground spring to bogie, 2 connection cables and installation instructions. Reliable connection with latent contacts Manual coupling and uncoupling on the system is possible, can also be coupled with regular short couplings without electrical contact. Key features Design Type Spare part Brand compatibility Märklin track gauge 16.5 mm Number of parts 7 pcs Product color Black, Copper