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Dual solid state relay (0.9A) output

  DZ-1075                 DZ-1075M

                                                                                                                 Black band on cap

These trackside sensors only needs the RED wire connected to power (12-18V AC) and the BLACK wire connected to common to operate. They have been tested in ALL lighting conditions from total darkness to direct sunlight with no problem. When the train passes the sensor, the LED in the cap will light until the train has passed. 4 seconds after the train passes, the LED will go out. When the LED is lighted the GRAY wire will turn on and the WHITE wire will turn off. When the LED is not lighted, the GRAY wire is off and the WHITE wire is on. The outputs can directly handle nearly 1 Amp on each output. This means they can operate nearly any signal or accessory with lamps, solenoids, or unusual wiring that would otherwise require a relay.

The DZ-1075M operates much like the DZ-1075 EXCEPT that the DZ-1075M has momentary outputs. When the RED LED lights one output turns on for 1/2 second and when the LED goes out the other output turns on for 1/2 second. The LED goes out about four (4) seconds after the train passes.