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Dimensions
Section 12
Circuit breakers for direct
current applications (cont.)
24 V - 48 V direct current applications
Technical advice
DB124383
24 - 48 V direct current protection solution
The performance levels shown in the tables below correspond to the most critical
faults according to the network configuration.
b
b
Breaking on one pole.
b
b
Fault between polarity and earth (Fault A).
Standard solution depending on the network and the
requirements of the installation (In / Isc)
In addition to the parameters shown on the following pages, the tables below
illustrate our range of circuit breakers according to the nominal current of the load
and short-circuit current at the point of installation.
b
b
Circuit breaker rating.
b
b
Breaking capacity of the circuit breaker.
1 pole isolation solution (1P)
DB405575
Breaking capacity (kA)
Icu IEC 60947-2
Maximum
rating (A)
y
10
y
15
y
20
y
25
y
36
y
63
y
80
y
125
u
125
y
50
C120H
iC60H
NG125N
NG125H
NG125L
Compact NSX
y
4.5