Preparing installation
12 NXAIR / ≤ 40 kA 110-0084.9 / 15
Fig. 3: Measuring sheet for the foundation. Tolerance according to DIN 43661:
Straightness 1 mm/1 m length, 2 mm for the total length;
evenness 1 mm within 1 m measured length;
NXAIR version with I
k
≤ 31.5 kA and busbar version up to 2500 A
(with contactor panels)
Measuring point on the foundation rails
Fig. 4: Measuring sheet for the foundation. Tolerance according to DIN 43661:
Straightness 1 mm/1 m length, 2 mm for the total length;
evenness 1 mm within 1 m measured length;
NXAIR version with I
k
≤ 31.5 kA and busbar version up to 3150/4000 A
and NXAIR version with I
k
= 40 kA
(with or without contactor panels)
Measuring point on the foundation rails
5.4 Dimensions of the switchgear room
Incorrect installation
The installation of panels designed without evacuation duct in the pressure relief
duct is only permissible with the stipulated minimum room height given in the
following table. If the panel is installed in a switchgear room where the room height
is too low, the internal arcing behavior of the panels can be influenced in a negative
way, including hazard for the operator.
Check the room height according to the stipulations in the following table
before installing the switchgear.
In case of a deviating room height in the relation between the technical data
and the room height according to the following table, the installation of the
switchgear is not permissible.
To Next Page
Loading...
