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Operating Instructions
Safety Switch SGA...
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
The following information applies to devices
with cable entry:
For use and applications as per the requirements
of
, a copper wire for the temperature range
60/75 °C is to be used.
The following information applies to devices
with plug connector:
For use and applications as per the requirements of
, a class 2 power supply according to UL1310
must be used. Connection 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 which 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 which
possess an identical or higher dielectric strength
compared to the other relevant parts of the system.
Version
Switching contacts
SGA.-528H...
1 NC contact +
1 NO contact
SGA.-538H...
2 NC contacts
SGA.-2121H... 4 NC contacts
SGA.-2131H... 3 NC contacts +
1 NO contact
SGA.-3131H... 2 NC contacts +
2 NO contact
Figure 2: Switching elements and switching functions
EC declaration of conformity
The manufacturer named below herewith declares
that the product fulfills the provisions of the direc-
tive(s) listed below and that the related standards
have been applied.
EUCHNER GmbH + Co. KG
Kohlhammerstr. 16
D-70771 Leinfelden-Echterdingen
Directives applied:
Machinery directive 2006/42/EC
f
Standards applied:
EN 60947-5-1:2004 + Cor.:2005 + A1:2009
f
EN 1088:1995+A2:2008
f
EN 14119:2013
f
The original EC declaration of conformity can also
be found at: www.euchner.de
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:
support@euchner.de
Internet:
www.euchner.de
Door closed
Door open
21
22
21
22
13
14
13
14
21
22
21
22
11
12
11
12
41
42
41
42
31
32
31
32
21
22
21
22
11
12
11
12
41
42
41
42
33
34
33
34
21
22
21
22
11
12
11
12
41
42
41
42
33
34
33
34
21
22
21
22
13
14
13
14
Technical data
Parameter
Housing material
Degree of protection
acc. to IEC 60529
SGA1... (cable entry)
SGA2... (plug connector)/
SGA...L024...
Mechanical life
Ambient temperature
Degree of contamination
(external, acc. to EN 60947-1)
Installation position
Approach speed, max.
Extraction force
Retention force
Actuating force, max.
Actuation frequency
Switching principle
Contact material
Connection
SGA1...
SGA2...SR11
Conductor cross-section
(flexible/rigid)
SGA1...
Operating voltage for optional
LED indicator
Conditional short-circuit current 100 A
Switching voltage, min.,
at 10 mA
Switching current, min., at 24 V 1 mA
Short circuit protection
(control circuit fuse)
acc. to IEC 60269-1
Conv. thermal current I
Utilization category acc. to EN 60947-5-1
SGA1...
SGA2...SR11
Rated insulation voltage
SGA1...
SGA2...SR11
Rated impulse withstand voltage
SGA1...
SGA2...SR11
Reliability values acc. to EN ISO 13849-1
B
10d
Terminal assignment
with plug connector SR11
4.
7
3.
5
2.
3
1.
1
Ordinal numbers of switching elements
5
Value
Die-cast alloy
IP67
IP65
2 x 10
operating cycles
6
-20 ... +80 °C
3 (industrial)
Any
20 m/min
25 N
10 N
25 N
6,700/h
Slow-action switching contact
Silver alloy, gold flashed
Cable entry M20 x 1.5
Plug connector SR11, 11-pin+PE
0.34 ... 1.5 mm²
L024 24 V
12 V
4 A gG
4 A
th
AC-15 4 A 230 V /
DC-13 4 A 24 V
AC-15 4 A 50 V /
DC-13 4 A 24 V
U
= 250 V
i
U
= 50 V
i
U
= 2.5 kV
imp
U
= 1.5 kV
imp
3 x 10
6
Connector illustration
plug connector SR11
View of safety switch connection side
PE
4.
8
8
11
3.
6
7
2.
4
6
1.
2
5
10
1
9
2
3
4
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