General, preparation
The following regulations must be adhered to during installation, commissioning and operation:
· IEC 60694/ DIN VDE 0101, General specification for high-voltage switchgear and control gear standards.
· VDE 0105, Operation of electrical installations.
· DIN VDE 0141, Earth systems for electrical power installations with nominal voltages above 1 kV.
· All rules for accident prevention applicable in the respective countries.
The wearing of gloves for handling the parts during installation
is recommended.
Insulating material surfaces must be cleaned with clean and dry rags. The contact surfaces of connections must be cleaned before installation. If the contacts have become oxidized during transport or storage then the following sequence must be followed:
· Clean contact surfaces with a rough, dry cloth.
· With hard oxidation, clean with a hard plastic sponge,
the upper layer must not be removed.
The nuts, washers and conical spring washers shall be used for connecting the upper terminals of the ISM with the busbars.
The lower terminals of the ISM shall be connected with the
same connecting elements.
If additional fastening material is required, steel bolts according to EN ISO 898 class 8.8 ( 800 N/ mm² ) , nuts according to EN ISO 890 class 8 ( 880 N/ mm² ) , washers to DIN 125 and conical spring washers to DIN 6796 shall be used.
ISM mounting and connection shall be made with dynamometic wrench only. |
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