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Technical advice
Circuit breakers for direct
current applications (cont.)
24 V - 48 V direct current applications
Tertiary applications
Control and monitoring of the 48 V DC emergency lighting distribution for a
shopping centre
b
b
Mid-point of the network:
v
v
Isc = 20 kA,
v
v
In = 125 A.
Solution
NG125H 3P 125 A + power contactors
DB124259
U/2
U/2
In
Isc
Shopping
centre lighting
Zone 1
Shopping
centre lighting
Zone 2
Shopping
centre lighting
Zone 3
Shopping
centre lighting
Zone 4