Inductive Proximity Sensors
871C 2-Wire AC Full Featured
Plastic Face/Threaded Nickel-Plated Brass Barrel
Dimensions—mm (inches)
Wiring Diagram
Cable Style
LEDs
Normally Open
Normally Closed
Brown
Brown
2m (6.5ft)
Blue
Blue
Load
Load
C
B
Green/Yellow
Green/Yellow
A
D
Note: Load can be switched to brown wire.
mm (inches)
A
B
C
D
Thread Size
Shielded
M18 X 1
Y
Y
18.0 (0.71)
30.0 (1.18)
70.5 (2.78)
77.4 (3.05)
57.5 (2.26)
63.4 (2.50)
0.8 (0.03)
0.8 (0.03)
M30 X 1.5
Mini QD Style
Normally Open or Normally Closed
A
LEDs
Ground
D
1
2
3
C
B
Load
7/8-16un-2a
Note 1: No ground wire on 12mm. Attach housing to ground.
Note 2: Load can be switched to pin 3.
mm (inches)
A
B
C
D
Thread Size
37.5 (1.48)
52.4 (2.06)
62.6 (2.47)
M12 X 1
12.0 (0.47)
18.0 (0.71)
30.0 (1.18)
83.3 (3.28)
72.5 (2.85)
86.5 (3.41)
0.8 (0.03)
M18 X 1
M30
X 1.5
Micro QD Style
Normally Open or Normally Closed
A
LEDs
Load
D
3
2
Ground
1
C
B
Note 1: No ground wire on 12mm. Attach housing to ground.
Note 2: Load can be switched to pin 2.
1/2-20UNF-2A
mm (inches)
A
B
C
D
Thread Size
38.11 (1.50)
56.7 (2.23)
62.6 (2.47)
M12 X 1
M18 X 1
12.0 (0.47)
18.0 (0.71)
30.0 (1.18)
85.3 (3.36)
80.3 (3.16)
85.7 (3.37)
0.8 (0.03)
M30
X 1.5
R2–91