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Operating instructions
Trapped key system
4 Electrical connection
4.1 General information for electrical connection
The electrical connection may only be carried out by
authorised personnel in a de-energised condition. At least
one positive-break contact of the key-operated selec-
tor switch or one positive-break contact of the solenoid
monitoring of the key-operated selector switch-interlocking
device must be integrated in the safety circuit.
After wiring, the wiring compartment must be cleaned
(i.e. remove excess cables etc.).
4.2 Contact variants
Contacts shown in de-energised condition and with the actuator
inserted.
Key-operated selector switch
The contacts are shown with the key-operated selector switch in
a non-actuated condition and the key in removable condition
11
12 A
23
24
SHGV/ESS21S2103/...
Key-operated selector switch-interlocking device
The contacts are shown with the key-operated selector switch in a non-
actuated condition, the key in removable condition and the solenoid in
de-energised condition.
1
2
–
+
1
2 3
4
5 6
A
83
71
E2
84
72
E1
13 14 15 16 17 18 19 20
5
SVE.../...
1
2
+
1
2 3
4
5 6
A
83
71
E2
84
72
E1
13 14 15 16 17 18 19 20
5
SVE.../.../-3Ö..
mrl_shgv-sve-svm_de-en.indd 15
11
12
31
23
24
43
SHGV/ESS21S2103/...
3
4
7
8
9 10 11 12
A
63
51
S3
52
A
64
43
31
S2
32
A
44
23
11
S1
12
24
21 22 23 24
3
6
4
7
8
9 10 11 12
63
A
A
51
111
S3
52
112
64
A
A
43
31
101
S2
32
102
44
A
A
23
11
91
S1
12
92
24
21 22 23 24
Legend
A positive break
➀ Solenoid connection
➁ Enabling circuit solenoid monitoring
➂ Enabling circuit key-operated selector switch channel 1
➃ Auxiliary contacts key-operated selector switch
➄ Auxiliary contact solenoid
➅ Enabling circuit key-operated selector switch channel 2
5 Set-up and maintenance
5.1 Functional testing
The safety function of the safety components must be tested.
The following conditions must be previously checked and met:
1. Fitting of the solenoid interlock and the actuator
2. Check the integrity of the cable entry and connections
3. Check the switch enclosure for damage.
5.2 Maintenance
A regular visual inspection and functional test, including the
following steps, is recommended:
Check for tight installation of the actuator and the switch
2. Remove particles of dust and soiling
3 Check cable entry and connections
32 A
Damaged or defective components must be replaced.
44
6 Disassembly and disposal
6.1 Disassembly
The safety switchgear must be disassembled in a de-energised
condition only.
6.2 Disposal
The safety switchgear must be disposed of in an appropriate manner
in accordance with the national prescriptions and legislations.
SVE 3
SVE 2
SVE 1
SVE 3
SVE 2
SVE 1
EN
SHGV / SVE / SVM
15
10.03.2010 15:31:36
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