Inductive Proximity Sensors
871C 3-Wire DC
Plastic Face/Small Threaded or Smooth Nickel-Plated Brass Barrel
Dimensions—mm (inches)
Cable Style
Wiring Diagram
Normally Open
NPN (Sinking)
PNP (Sourcing)
+
-
+
-
2m (6.5ft)
LED
10-30V DC
Brown
10-30V DC
2m (6.5ft)
LED
Brown
+
-
Load
+
-
Blue
Black
Blue
Load
Black
B
B
A
A
Normally Closed
C
NPN (Sinking)
PNP (Sourcing)
Smooth
Threaded
+
-
+
-
10-30V DC
10-30V DC
Brown
Brown
+
Black
Blue
-
Load
+
-
Blue
Load
Black
mm (inches)
A
B
C
Ċ
Ċ
Ċ
Ċ
Smooth Diameter
Thread Size
Shielded
3.0
Ċ
Y
Y
Y
Y
3.0 (0.12)
4.0 (0.16)
4.0 (0.16)
5.0 (0.20)
22.0 (0.87)
25.0 (0.98)
22.0 (0.87)
25.0 (0.98)
4.0
Ċ
Ċ
M4 x 0.5
M5 x 0.5
Ċ
Pico QD Style
Normally Open
NPN (Sinking)
+
-
A
LED
Load
A
4
1
LED
3
D
C
+
-
10-30V DC
B
B
PNP (Sourcing)
Smooth
Threaded
-
4
Load
1
3
+
+
-
10-30V DC
mm (inches)
A
B
C
D
Ċ
Ċ
Smooth Diameter
Thread Size
Shielded
4.0
Ċ
Ċ
Y
Y
4.0 (0.16)
5.0 (0.20)
38.0 (1.50)
38.0 (1.50)
19.0 (0.74)
23.0 (0.90)
M5 x 0.5
R2–86
ROCKWELL [ ROCKWELL INTERNATIONAL CORPORATION. ]
