3.3 Parallel connection
ESP mains wire-in protectors are connected in parallel
with the supply to be protected.
See Figure 3
. The
connecting leads do not carry the load current of the
supply, only the current associated with suppressing the
transient overvoltage.
Installation instructions for mains wire-in protectors | 3/4
To
load
Figure 4:
Parallel connection
for three phase star
(4 wire and earth)
supplies.
From
supply
