A fast and easy way to simplify electrical hook-ups. Unit plugs directly into DZ-1000 to control track power and provides a Single Pole Double Throw (SPDT) relay output capable of handling up to 10 amps. Relay changes automatically when switch machine is thrown manually or by remote control. Can also be used with DZ-1011 Block Signal Detectors to run all types of accessories. • Easy connection to DZ-1000 Switch Machine • Provides 10Amp SPDT relay contacts • Can be used with DZ-1011 Block Signal Detector to operate other • accessories • Long-life red and green LED indicators