Operation
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128641 / 8008603300
2015-10-07·BA00·III·en·07
Control switch/load disconnect switch
Series 8008
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Before commissioning, ensure the following:
• Check the mounting and installation.
• Inspect enclosure for damage.
• If necessary, remove foreign bodies.
• If necessary, clean the connection chamber.
• Check if all screws and nuts have been tightened firmly.
• Check the tightening torques.
9
Operation
The switch is driven via an axis, thus actuating the contacts.
10
Maintenance and repair
10.1 Maintenance
• Consult the relevant national regulations to determine the type and extent of
inspections.
• Adapt inspection intervals to the operating conditions.
During maintenance of the device, check the following items:
• if the cables have been clamped properly,
• if the detachable connections are fitted tightly,
• if the enclosure and seals are damaged,
• compliance with the permitted temperatures in accordance with IEC/EN 60079-0,
• whether the device is used according to its designated use.
10.2 Maintenance
DANGER
Explosion hazard due to improperly or not regularly maintained devices!
Non-compliance results in severe or fatal injuries.
• Check the device at regular intervals.
• Comply with national testing standards and the IEC/EN 60079-17.
WARNING
Risk of electric shock or malfunctioning of the device due to unauthorized
work!
Non-compliance can result in severe injuries and material damage.
• Work performed on the device must only be carried out by appropriately
authorized and qualified electricians.
DANGER
Overheating and explosion hazard due to defective switching contacts!
Non-compliance results in severe or fatal injuries.
• Replace the switch after each short circuit in the main circuit
(the element is hermetically sealed and the state of the switching
contacts cannot be checked).