Profile: H. Kuhnke Ltd. supplies products such as pneumatics, solenoids, relays and electronics. In pneumatics, we include a whole range of valves and actuators. There are 3 sizes of standard products in bistable linear solenoid range: namely BI8, BI13 and BI17 models. Each is based on an open frame linear thrust and pulls type solenoid design. Our range of panel builder relays includes 3 models which plug into sockets, widely used in control panels, in industry, and in building services. Other relays are used in medical, railway, marine, and heavier duty applications.