Stahl 8404/2 Series, Руководство по эксплуатации

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167771 / 8404602300
2014-02-25·BA00·III·en·01
Commissioning
9
Voltmeter
Series 8404/2
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Electrical Connection
• The information given in chapter „Technical Data“ must be observed.
• The conductor must be carefully connected.
• The conductor insulation must reach to the clamping units.
• The conductor must not be damaged (nicked) when removing the insulation.
• Ensure that the maximum permissible conductor temperatures and the maximum
permissible surface temperature are not exceeded by selecting suitable conductors
and means of running them.
8 Commissioning
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.
Connection type Connection terminals
Connection
cross-section
solid /
finely stranded
0.75 ... 2.5 mm
2
finely stranded
0.75 ... 4 mm
2
solid
6 mm
2
with fork cable lug
One or two conductors can be installed to one connection terminal. In case of
solid conductors, both conductors must have the same cross section and must
be made of the same material.
The conductors can be connected without any special preparations.
Tightening torque 1.2 Nm (connection terminals)
If core end sleeves are used, they must be fitted with a suitable tool.
WARNING
Check the device before commissioning!
Explosion protection is impaired!
• Observe the inspection requirements in the current national
regulations before commissioning in order to maintain the
explosion protection.
• Check the device for proper installation and function before
commissioning.