Switch for trailer brake valve

The device has a pneumatic input, a pneumatic venting output and a spring-loaded, rotation-symmetrical valve switching body movable in a cylindrical guide surface and consisting of a circular closure body perpendicular to the cylinder axis and a rotation symmetrical hollow guide body connected to it in a hermetically sealed manner. The closure body has first and second elastomeric sealing elements for contacting first and second valve seats. The device (12) has a pneumatic input (13), a pneumatic venting output (14) and a spring-loaded, rotation-symmetrical valve switching body (17) movable in a cylindrical guide surface. The valve switching body consists of a circular closure body perpendicular to the cylinder axis and a rotation symmetrical hollow guide body connected to it in a hermetically sealed manner. The closure body has first and second (19) elastomeric sealing elements for contacting first and second valve seats.