
Operating Instructions
Safety Switch NZ.D.../NZ.W.../NZ.R...
6
Subject to technical modifications; no r
esponsibility is accepted for the accuracy of this information.
© EUCHNER GmbH + Co. KG
2074549
-11
-04/19 (translation of the original operating instructions)
Figure 2: Travel diagrams, actuator and approach directions
0
1
2
3
4
6
13
-1
4
21
-2
2
13
-1
4
21
-2
2
ES511
mm
13
-1
4
21
-2
2
11
-1
2
21
-2
2
ES528H
ES538H
0
1
2
3
4
6
mm
mm
6
4
3
2
1
0
SK2121H
41
-4
2
31
-3
2
21
-2
2
11
-1
2
6
4
3
2
1
0
mm
2,5
30
°m
ax
.
SK2131H
41
-4
2
33
-3
4
21
-2
2
11
-1
2
6
4
3
2
1
0
41
-4
2
33
-3
4
21
-2
2
13
-1
4
SK3131H
mm
0
1
2
3
4
6
mm
2,5
6
-1
DO
Chisel plunger
WO
Domed plunger
RK
Roller plunger
small
End position
Fr
ee position
End position
Fr
ee position
End position
Fr
ee position
0
1
2
3
4
6
13
-1
4
21
-2
2
13
-1
4
21
-2
2
ES511
mm
13
-1
4
21
-2
2
11
-1
2
21
-2
2
ES528H
ES538H
0
1
2
3
4
6
mm
mm
6
4
3
2
1
0
SK2121H
41
-4
2
31
-3
2
21
-2
2
11
-1
2
6
4
3
2
1
0
mm
2,5
SK2131H
41
-4
2
33
-3
4
21
-2
2
11
-1
2
6
4
3
2
1
0
41
-4
2
33
-3
4
21
-2
2
13
-1
4
SK3131H
mm
0
1
2
3
4
6
mm
2,5
30
°m
ax
.
6
-1
RG
Plastic roller
RS
Steel roller
RL
Extended roller
plunger
End position
Fr
ee position
End position
Fr
ee position
Contacts
open
closed
Figure 3: Switching elements and connector assignment
Plug connector SR6
Pin assignment for male socket
(view of device side)
Plug connector SR11
Pin assignment for male socket
(view of device side)
Plug connector SVM5
Pin assignment for male socket
(view of device side)
4
3
1
2
Terminal assignment for switching elements
Terminal assignment for switching elements
Terminal assignment for switching elements
3
1
4
2
13
21
14
22
5
6
3
1
4
2
13
21
14
22
3
1
4
2
11
21
12
22
5
6
3
1
4
2
11
21
12
22
ES 511/ES 528H
ES 538H
with LED indicator
7
5
3
1
8
6
4
2
41
31
21
11
42
32
22
12
7
5
3
1
8
6
4
2
41
33
21
11
42
34
22
12
SK2121H
SK2131H
3
1
4
2
13
21
14
22
5
6
3
1
4
2
13
21
14
22
3
1
4
2
11
21
12
22
5
6
3
1
4
2
11
21
12
22
ES 511/ES 528H
ES 538H
7
5
3
1
8
6
4
2
41
33
21
13
42
34
22
14
SK3131H
Figure 3a
Figure 3b
Figure 3c
Figure 4: Dimension drawing of NZ1… with cable entry and NZ2… with plug connector
M20x1,5
M = 1,2 Nm
SR11WF
SR6WF
55
13,5
50
75
40
56
40
11
15,2
SR6EF/SR11EF
∅
28
60
80
16
26
Plug
connector
Cable diameter [mm]
SR6
7.0 … 9.0
SR11
8.0 … 10.0
Inser
ted
Inser
ted
Inser
ted