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Operating Instructions
Safety Switch NZ.D.../NZ.W.../NZ.R...
Inspection and service
WARNING
Danger of severe injuries due to the loss of the
safety function.
If damage or wear is found, the complete switch
f
must be replaced. Replacement of individual
parts or assemblies is not permitted.
Check the device for proper function at regular
f
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:
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.
f
Info: 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 regula-
tions are not followed, or if any servicing is not
performed as required, liability will be excluded and
the warranty void.
Notes about
The following information applies to devices
with cable entry:
For use and application as per the requirements
of
a copper wire for the temperature range
60/75 °C must be used.
The following information applies to devices
with plug connector:
This device is intended to be used and applied with
a Class 2 power source in accordance with UL1310.
Connecting cables for safety switches installed at
the place of use must be separated from all moving
and permanently installed cables and un-insulated
active elements of other parts of the system that
operate at a voltage of over 150 V. A constant
clearance of 50.8 mm must be maintained. This
does not apply if the moving cables are equipped
with suitable insulation materials that possess an
identical or higher dielectric strength compared to
the other relevant parts of the system.
EU declaration of conformity
The declaration of conformity is part of the operating
instructions.
The complete EU declaration of conformity can also
be found at www.euchner.com. Enter the order num-
ber of your device in the search box. The document
is available under Downloads.
Service
If servicing is required, please contact:
EUCHNER GmbH + Co. KG
Kohlhammerstraße 16
70771 Leinfelden-Echterdingen
Germany
Service telephone:
+49 711 7597-500
E-mail:
support@euchner.de
Internet:
www.euchner.com
Technical data
Parameter
Housing material
Degree of protection
NZ1... cable entry
NZ2... plug connector M12/SVM5
NZ2... plug connector SR6/SR11
Mechanical life
Ambient temperature
Degree of contamination
(external, acc. to EN 60947-1)
Installation orientation
Approach speed, max.
Actuator
DO/WO
RG/RS/RL
RK
Approach speed, min.
Actuating force at 20 °C
Actuation frequency
Contact material
Connection
Conductor cross-section (flexible/rigid)
Rated insulation voltage
Rated impulse withstand voltage
Conditional short-circuit current
Operating voltage for optional LED indicator
(only for switching elements ES511, ES528H, ES538H)
Rated data for the switching elements
Switching principle
Utilization category acc. to EN 60947-5-1
with cable entry
AC-12
with plug connector SR6
1)
with plug connector SR11
1)
with plug connector SVM5
Short circuit protection (control circuit fuse) acc. to
IEC 60269-1
1)
Conventional thermal current I
1)
th
Switching current, min.,
at switching voltage
1) Limitation for NZ2... at ambient temperature > 70 ... 80 °C
Utilization category acc. to EN 60947-5-1
Short circuit protection (control circuit fuse) acc. to
IEC 60269-1
Conventional thermal current I
th
Reliability values acc. to EN ISO 13849-1
depending on the switching current at 24 V DC
ES511
B
ES528H/ES538H
10D
SK2121H/SK2131H/SK3131H
2) Refer to the EU declaration of conformity for the issue date
5
Anodized die-cast alloy
30 x 10
Silver alloy, gold flashed
NZ1...
Cable entry M20 x 1.5
0.34 ... 1.5 mm²
0.34 ... 0.75 mm² with LED indicator
NZ1...M/NZ2...SR6
U
= 250 V
i
U
= 2.5 kV
imp
L060 12 - 60 V AC/DC
L110 110 V AC ±15%
L220 230 V AC ±15%
ES511
ES528H/ES538H
Snap-action contact
Slow-action contact
element
I
10 A
U
230 V
e
e
AC-15
I
6 A
U
230 V
I
e
e
e
DC-13
I
6 A
U
24 V
I
e
e
e
AC-15
I
6 A
U
230 V
I
e
e
e
DC-13
I
6 A
U
24 V
I
e
e
e
AC-15
-
DC-13
-
AC-15
I
4 A
U
30 V
I
e
e
e
DC-13
I
4 A
U
24 V
I
e
e
e
See utilization category
10 mA
1 mA
DC 24 V
DC 24 V
NZ2...SR6
AC-15
I
2 A
U
230 V
e
e
DC-13
I
2 A
U
24 V
e
e
2 A gG
2 A
2)
at DC-13 100 mA/24 V
Value
IP67
IP67
IP65
operating cycles
6
-25 ... +80 °C
3 (industrial)
Any
10 m/min
20 m/min
50 m/min
0.1 m/min
30 N
7,000/h
NZ2...
Plug connector
SR6: 0.5 ... 1.5 mm²
SR11: 0.5 mm²
NZ2...SR11
NZ2...SVM5
U
= 50 V
U
= 50 V
i
i
U
= 1.5 kV
U
= 1.5 kV
imp
imp
100 A
SK2121H/SK2131H/
SK3131H
Slow-action contact
element
element
-
-
4 A
U
230 V
I
4 A
U
230 V
e
e
e
4 A
U
24 V
I
4 A
U
24 V
e
e
e
4 A
U
230 V
-
e
4 A
U
24 V
-
e
-
I
4 A
U
50 V
e
e
-
I
4 A
U
24 V
e
e
4 A
U
30 V
-
e
4 A
U
24 V
-
e
4 A gG
4 A gG
4 A
4 A
10 mA
1 mA
10 mA
DC 12 V
DC 24 V
DC 12 V
NZ2...SR11
I
2 A
U
50 V
e
e
I
2 A
U
24 V
e
e
2 A gG
2 A
≤ 0.1 A
-
2 x 10
7
2 x 10
7
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