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Operating Instructions
Safety Switch NZ.D.../NZ.W.../NZ.R...
DO
Chisel plunger
Contacts
open
closed
Fig. 2: Travel diagrams, actuator and approach directions
Plug connector SR6
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 511/ES 528H
14
13
3
4
3
21
22
1
2
1
14
13
3
4
3
22
21
2
1
1
5
6
5
With LED indicator
Fig. 3a
Fig. 3: Switching elements and connector assignment
M = 1,2 Nm
Fig. 4: Dimension drawing for NZ1... with cable entry and NZ2... with plug connector
WO
RK
Rounded plunger
Roller plunger
small
RG
RL
Plastic roller
Roller plunger
RS
long
Steel roller
Plug connector SR11
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 538H
SK2121H
41
42
12
7
11
4
32
31
5
21
22
2
21
22
3
12
11
1
12
11
4
21
22
2
6
M20x1,5
ES511
ES528H
0
0
1
1
2
2
3
3
4
4
6
6
mm
mm
ES511
ES528H
0
0
1
1
2
2
3
3
4
4
6
6
mm
mm
SK2131H
41
42
8
8
7
34
33
6
6
5
21
22
4
3
4
12
11
2
1
2
SK3131H
42
41
7
8
34
33
5
6
22
21
4
3
14
13
1
2
Fig. 3b
55
SR6WF
6
ES538H
SK2121H
SK2131H
0
0
0
1
1
1
2
2
2
2,5
2,5
3
3
3
4
4
4
6
6
6
mm
mm
mm
ES538H
SK2121H
SK2131H
0
0
0
1
1
1
2
2
2
2,5
2,5
3
3
3
4
4
4
6
6
6
mm
mm
mm
Plug connector SVM5
Pin assignment for male socket
(view of device side)
Terminal assignment for switching elements
ES 511/ES 528H
14
13
3
4
21
22
1
2
14
13
3
4
22
21
2
1
5
6
Fig. 3c
Plug con-
Cable diameter [mm]
16
nector
SR6
7.0 ... 9.0
SR11
8.0 ... 10.0
15,2
∅ 28
13,5
SR6EF/SR11EF
SR11WF
SK3131H
0
1
2
3
4
6
mm
SK3131H
0
1
2
3
4
6
mm
2
1
3
4
ES 538H
12
11
3
4
21
22
1
2
12
11
4
3
21
22
1
2
5
6
40
11
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