12
5 Connecting to power supply
B 61-300 • For supply and control cables
40488-EN-161114
5.3 Wiring plan
1
2
N
PE
PE
N
L1
L1
3
Fig. 7: Circuit diagram overvoltage arrester B61-300
1 Overvoltage arrester
2 PE terminal
3 Potential equalization, plant-side
B61 - 300
OUT
IN
IP 20
max. 300 V AC/0,5 A
L1
N
L1
N
2
3
6
5
4
1
L1
N
PE
Fig. 8: Wiring plan overvoltage arrester B61-300 in the housing
1 Mains supply
2 Overvoltage arrester
3 PE terminal
4 Protected instrument
5 Carrier rail
6 Potential equalisation
Circuit diagram
Wiring plan