Safety Relay Mod. Spd Mon 110v

Dold safety relay module, speed monitoring, dual channel, manual or automatic restart, (2) PNP sensor inputs, 10 to 20000 IPM (impulse per minute) range adjustable in 4 sub ranges, broken wire detection, 110 VAC coil voltage, 2 N.O. positive guided safety contact(s), 1 N.C. positive guided safety contact(s). For use with 1-phase and 3-phase motors.