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Ex d Contactor
Maintenance and Care
Type 07-4..0-...1/0...
8
Maintenance and Care
Note
Regular maintenance is not necessary if the unit is installed correctly,
operated appropriately and if the ambient conditions are observed. Our
recommendation is:
 We recommend an annual inspection in accordance with the
“Inspection Table for Commissioning and Maintenance”.
8.1
Inspection Table for Commissioning and Maintenance
Item
Test point
Commissioning
OK
1
Visual inspection for damage
2
Attachment of the Ex d contactor
Inspection of wiring for conformance to the
relevant directives
Agreement between mains voltage and the
connection voltage for the individual devices
Total power consumption of the devices less
than the control unit’s maximum switching
capacity
The Ex d contactor has been tested for correct
functioning
Sign conforming to EN 60079-2 affixed to
enclosure.
Check if the contactor is stuck.
3
4
5
6
7
8
Technical data subject to change without notice.
Maintenance
OK
n/a
n/a
n/a
n/a
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