Datasheet

General-purpose Basic Switch Z 161
Drip-proof Models (without Terminal Protective Cover)
Note: 1. All drawings show the switches with screw terminals. For versions with solder terminals, remove the “-B” from the end of the part number.
2. Unless otherwise specified, all units are in millimeters and a tolerance of ± 0.4 mm applies to all dimensions.
Terminals
COM NO NC
13
2
49.2
Three, M4 × 5.5
Terminal screws
(with toothed
washer)
17.45
±0.2
9.2
20 20
Note: With reverse action models (Z-15GM), the
positions of NO and NC terminals are reversed.
17.45
±0.2
4.2
+0.075
-0.025
4.2 dia. hole
+0.075
-0.025
4.36 dia.
+0.1
-0.05
49.2
11.9
25.4
±0.1
23.3
±0.25
23.9
OP
PT
3.9 dia.
6SR *
* Stainless-steel plunger
9.2
Pin Plunger
Z-15G55-B
Z-01H55-B
Model Z-15G55-B Z-01H55-B
OF
RF min.
PT max.
OT min.
MD max.
250 to 430 gf
114 gf
2.2 mm
0.13 mm
0.06 mm
350 gf max.
80 gf
2.2 mm
0.13 mm
0.06 mm
OP 15.9±0.4 mm
49.2
11.9
25.4
±0.1
23.3
±0.25
23.9
OP
PT
7.15 dia.
11.9SR *
* Stainless-steel plunger
15 dia.
9.2
17.45
±0.2
4.2
+0.075
-0.025
4.2 dia. hole
+0.075
-0.025
4.36 dia.
+0.1
-0.05
Short Spring Plunger
Z-15GD55-B
Z-01HD55-B
Model Z-15GD55-B Z-01HD55-B
OF max.
RF min.
PT max.
OT min.
MD max.
540 gf
114 gf
1.8 mm
1.6 mm
0.06 mm
370 gf
80 gf
1.9 mm
1.6 mm
0.06 mm
OP 21.5±0.5 mm
49.2
11.9
25.4
±0.1
23.3
±0.25
23.9
OP
PT
7.15 dia.
11.9SR *
* Stainless-steel plunger
17 dia.
9.2
17.45
±0.2
4.2
+0.075
-0.025
4.2 dia. hole
+0.075
-0.025
4.36 dia.
+0.1
-0.05
Spring Plunger
Z-15GK55-B
OF max.
RF min.
PT max.
OT min.
MD max.
540 gf
114 gf
2.3 mm
1.6 mm
0.06 mm
OP 28.2±0.5 mm
49.2
11.9
25.4
±0.1
23.3
±0.25
23.5
OP
PT
8.35 dia.
11.9SR *
* Stainless-steel plunger
17 dia.
9.2
17.45
±0.2
4.2
+0.075
-0.025
4.2 dia. hole
+0.075
-0.025
4.36 dia.
+0.1
-0.05
Z-15GK355-B
OF max.
RF min.
PT max.
OT min.
MD max.
540 gf
114 gf
2.4 mm
3.5 mm
0.06 mm
OP 37.8±1.2 mm