Electronic Switches offers Anti crane collision switch with 2 relay output and 2 set point. One output can be used for Audio Alarm for operator and another output is interlocked with coil of contactor in respective direction
Anti Crane Collision Sensor - Universal Supply
Model : ACU 03 - 3 Meters
Electronic Switches offers universal voltage from 24 Volts to 220 volts, AC or DC, and is suitable for 3 meters range. Output is NO contact of relay which can be interlocked with coil of Contactor in respective direction.
Alignment of Sensor and Reflector is very easy.