LJ12A3-4-Z/BY Inductive Proximity Sensor Detection Switch PNP DC6-36V
ABS plastic shell, LED indicator light, cylinder type, 3 wire system. The brown wire connects to the positive pole, the blue wire connects to the negative pole, and the black wire connects to the reflector. When proximity switch is close to some target object, it will send out control signal. Power supply inverted connecting protection, short circuit protection, non-contact detecting device. Used widely in the machine tool industry, frequency counters and other automatic control system.
Model LJ12A3-4-Z/BY 
Wire Type Cylindrical DC 3 Wire Type (Black, Brown, Blue) 
Switch Appearance Type Cylinder Type 
Theory Inductive Sensor 
Output Type
PNP NO(Normal Open)
Diameter of Head 12mm 
Detecting Distance 4mm 
Supply Voltage DC 6-36V 
Current Output
300mA 
Response Frequency 0.5KHz 
Detect Object Iron 
Operating Temperature -25°C to +55°C (Non-freezing Condition) 
Size 6.2 x 2cm/2.4'' x 0.8'' (L*Max. Dia) 
Cable Length 110cm/43.3" 
External Material Plastic, Alloy