5
Operating Instructions
Safety Switch NM..VZ
Inspection and service
WARNING
Danger of severe injuries due to the loss of the
safety function.
f
If damage or wear is found, the complete switch
and actuator assembly must be replaced. Re-
placement of individual parts or assemblies is
not permitted.
f
Check the device for proper function at regular
intervals and after every fault. For informa-
tion about possible time intervals, refer to
EN ISO 14119:2013, section 8.2.
Inspection of the following is necessary to ensure
trouble-free long-term operation:
f
correct switching function
f
secure mounting of all components
f
damage, heavy contamination, dirt and wear
f
sealing of cable entry
f
loose cable connections or plug connectors.
Information: The year of manufacture can be seen
in the bottom, right corner of the type label.
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
v
h
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
Figure 3: Switching elements and switching functions
Safety guard closed
Safety guard open
Technical data
Parameter
Value
Housing material
Reinforced thermoplastic
Degree of protection
acc. to IEC 60529
IP67
Mechanical life
1 x 10
6
operating cycles
Ambient temperature
-20 … +80 °C
Degree of contamination
(external, acc. to EN 60947-1) 3 (industrial)
Installation position
Any
Approach speed, max.
20 m/min
Extraction force
10 N
Retention force
2 N
Actuating force max. at 20 °C 10 N
Actuation frequency
7,000/h
Switching principle
Slow-action switching contact
Contact material
Silver alloy, gold flashed
Connection
Cable entry M20 x 1.5
Conductor cross-section
(flexible/rigid)
0.34 … 1.5 mm²
Rated insulation voltage
U
i
= 250 V
Rated impulse withstand
voltage
U
imp
= 2.5 kV
Conditional short-circuit
current
100 A
Switching voltage, min.,
at 10 mA
12 V
Switching current, min.,
at 24 V
1 mA
Short circuit protection
(control circuit fuse)
acc. to IEC 60269-1
4 A gG
Conv. thermal current I
th
4 A
Utilization category acc. to EN 60947-5-1
AC-15
4 A 230 V
DC-13
4 A 24 V
Reliability values acc. to EN ISO 13849-1
B
10d
4 x 10
6