Pneumatic trailer braking assembly

摘要

The pneumatic trailer brake assembly has a interface that includes supply coupling head for transmitting supply pressure from towing vehicle to trailer, and brake coupling head for transmitting brake control pressure from towing vehicle to the trailer. Another interface (1) is provided with a coupling unit (2) which includes supply pressure terminal (8) and brake control pressure terminal (9). The interface with coupling heads and the interface with coupling unit are selectively coupled to the towing vehicle.