
13
Wiring – continued –
Tools
n Screwdriver for cross-recess head screws, size 1 and 2
n Screwdriver for slotted screws, size 2.5, completely insulated to VDE 0680
Wiring diagram for test station NRA 1-3
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5
1 2 3 1 2
1
0
9
8
7
6
5
4
3
2
NO
L
N
1 2 3 4
Fig. 5
NRA 1-3
NRG 16-27/-28
Condensate
Distribution
substation
Class 4 (NRA 1-3)
Class 5 (NRA 1-3)
Code switch,
white
Condensate
Malfunction
e. g. TRG 5-63
Disconnector
*) Cable tie
NRG 16-19
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