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User Manual
5.1.5
Connection of the external isolators utilizing users external power supply
The shunt trip coil voltage has to be available when any of the source inputs of NPS is available.
For recommended coil supply realisation see figures below:
For 230VAC shunt trip coils connection see 5.1.6
For low voltage AC shunt trip coils see 5.1.7
For DC shunt trip coils see 5.1.8
For circuit breaker rating see section 5.1.9
N
N
e
e
t
t
w
w
o
o
r
r
k
k
P
P
o
o
w
w
e
e
r
r
S
S
w
w
i
i
t
t
c
c
h
h
(08/10)
Chapter 5 – Installation Drawing
Page 5-6
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