
Operating Instructions
Safety Switch NX…
6
Subject to technical modifications; no r
esponsibility is accepted for the accuracy of this information.
© EUCHNER GmbH + Co. KG
093784
-05
-08/15 (translation of the original operating instructions)
Figure 3: Switching elements and switching functions
Version
Switching contacts
NX.-2131...
3 NC contacts +
1 NO contact
NX.-3131...
2 NC contacts +
2 NO contacts
NX.-2121...
4 NC contacts
21
11
12
22
31
32
42
41
21
13
14
22
33
34
42
41
21
11
12
22
33
34
42
41
41
33
11
21
42
34
22
12
21
41
31
11
12
22
32
42
41
33
13
21
42
34
22
14
Door closed
Door open
Figure 5: Dimension drawing of NP…
4,5
42
s
s
RD
GN
51,5
46
58
,5
39
19
25
,5
16
0
4,
5
21
,5
8,5
C
B
D
A
Standard
D
Insertion depth
for M5 > 45 mm
ISO 1207 (DIN 84)S
ISO 4762 (DIN 912)
NX...M: M20x1.5
NX...N: 1/2" NPT
Inser
tion depth
Optional
LED
module
Order actuator separately
Actuator
Insertion depth s
Standard
32 + 1
Overtravel
32 + 8
Figure 6: Minimum door radii
Actuator
Door radius min.
[mm]
Actuator-X-GQ
300
Actuator-X-WQ
300
Hinged actuator-X-LR-N
100
Hinged actuator-X-OU-N
100
Hinged actuator
X-LR-N
32 +8
42
R>100
Ø
40
16
20
50
40
28
14
61
13,5
21,5
8
R > 10
0
7
21
30
45
32+8
5,5
Hinged actuator
X-OU-N
Figure 4: Terminal assignment of optional LED
module NX...L024...
GN
RD
24V
24V
0V
0V
KL3
KL2
KL1
KL4
Flexible wire
Max. outer diameter that can be
connected 1.0 mm
Any wiring