4QD HRB-412 Horn Relay Board

4QD HRB-412 Horn Relay Board (HRB-412)

stars, based on reviews
These HRB relay boards are designed to control 3 or 4 relays from one of the 4QD hand throttles. Often used for lights and horns on model locomotives they can be used in many other applications. The circuit allows control of either 3 or 4 relays...
Show
Reviews 1-0 of 0
Reviews 1-0 of 0