5
Operating Instructions
Safety Switch NM..KB
Exclusion of liability and warranty
In case of failure to comply with the conditions for
correct use stated above, or if the safety instruc-
tions are not followed, or if any servicing is not
performed as required, liability will be excluded and
the warranty void.
Notes about
For use and applications as per the requirements of
, a class 2 power supply according to UL1310
must be used.
EU declaration of conformity
The declaration of conformity is part of the operating
instructions, and it is included as a separate sheet
with the unit.
The original EU declaration of conformity can also
be found at: www.euchner.com
Service
If service support is required, please contact:
EUCHNER GmbH + Co. KG Kohlhammerstraße 16
D-70771 Leinfelden-Echterdingen
Service telephone:
+49 711 7597-500
Fax:
+49 711 753316
E-mail:
[email protected]
Internet:
www.euchner.de
Technical data
Parameter
Value
Housing material
Reinforced thermoplastic
Degree of protection
acc. to IEC 60529
IP67
Mech. operating cycles
20 x 10
6
Ambient temperature
-20 … +80 °C
Degree of contamination
(external, acc. to EN 60947-1) 3 (industrial)
Installation position
Any
Approach speed, max.
60 m/min
Actuating force at 20 °C
15 N
Actuation frequency, max.
5000/h
Switching principle
Slow-action switching contact
Contact material
Silver alloy, gold flashed
Connection
Screw terminal
Conductor cross-section
(rigid/flexible)
0.34 mm
2
… 1.5 mm
2
Rated impulse withstand
voltage
U
imp
= 2.5 kV
Rated insulation voltage
U
i
= 250 V
Conditional short-circuit current 100 A
Switching voltage, min.,
at 10 mA
12 V
Utilization category acc. to EN 60947-5-1
AC-15
4 A 230 V
DC-13
4 A 24 V
Switching current, min.,
at 24 V
1 mA
Short circuit protection
(control circuit fuse)
according to IEC 60269-1
4 A gG
Conventional thermal current I
th
4 A
Reliability values acc. to EN ISO 13849-1
B
10d
2 x 10
7
Figure 3: Switching elements and switching func-
tions
21
13
21
31
11
21
31
31
21
13
21
22
14
22
32
12
22
32
32
22
14
22
21
31
21
13
31
21
11
21
31
21
13
22
32
22
14
32
22
12
22
32
22
14
NM01
NM12
NM03
NM11,
NM11...C2069
NM02
21
11
22
12
11
21
12
22
NM02..C2069
