4mm Approach Sensor Inductive Proximity Switch NPN NO DC 3 Wire 6-36V 300mA
Metal shell, DC type, 4mm (+/-10%) detecting distance, 3 wire system.Power supply inverted connecting protection, short circuit protection, non-contact detecting device.When proximity switch is close to some target object, it will send out control signal.Used widely in the machine tool industry, frequency counters and other automatic control system.