Installation
12
134784 / 8125612300
2013-01-18·BA00·III·en·05
Control Panels and Distribution Systems
8125/5, 8125/8
Protective earth conductor
Always connect the protective earth conductor.
Regardless of the operating voltage, connect all bare, non-energised metal parts to the
protective earth conductor.
Consider the N conductor as being energised and lay it accordingly.
Inactive metal parts are insulated in accordance with IEC/EN 60439-1 and not
connected to PE.
Protective earth conductor for cable cross sections up to 70 mm
2
Guide the earth bolt (1) through a suitable hole in the enclosure wall (2) and secure it
by means of the hexagon nut (3).
Slide the inner PE cable lug (4) onto the earth bolt (1).
Secure the PE cable lug by means of lock washer and hexagon nut (5).
Slide the outer PE cable lug (6) onto the earth bolt (1).
Secure the PE cable lug by means of lock washer and hexagon nut (7).
Protective earth conductor for cable cross section up to 35 mm
(M6) and
up to 70 mm
2
(M8)
Clamp the outer PE conductor between the plates (2) and fasten it by means of
hexagon nuts (1).
Clamp the inner PE conductor between the plates (3) and fasten it by means of
hexagon nuts (4).
Please take the details relating to potential equalisation, earthing and
intrinsically safe circuits from the documentation of the relevant equipment.
Internal
connection
07855E00
External
connection
External
connection
07873E00
Internal
connection
5
4
1
6
7
3
2
1
2
3
4
Summary of Contents for 8125/5
Page 2: ......
Page 38: ......
Page 39: ......
Page 40: ...134784 8125612300 2013 01 18 BA00 III de en 05 ...
