ABB AC500 V3 - Dimensioning of the Fuses

I
CPU
*) I
Cx
*) I
I/O
bus
*) I
UPx
*) I
LOADx
*)
CPU/communication module part
CPU 0.110 A - - - -
C1 - 0.050 A - - -
C2 - 0.085 A - - -
C3 - 0.050 A - - -
C4 - 0.050 A - - -
I/O module part
Analog1 - - 0.002 A 0.150 A -
Analog2 - - 0.002 A 0.150 A 0.160 A
Analog3 - - 0.002 A 0.100 A 0.080 A
Analog4 - - 0.002 A 0.100 A 0.080 A
Digital1 - - 0.002 A 0.050 A 8.000 A
Digital2 - - 0.002 A 0.050 A 8.000 A
Digital3 - - 0.002 A 0.050 A 8.000 A
S columns 0.110 A 0.235 A 0.014 A 0.650 A 24.320 A
S I
L+
≈ 0.4 A S
I
UP
≈ 25 A
I
Total
≈ 25.4 A
*) All values in this column are exemplary values
4.3.2 Dimensioning of the fuses
T
o be able to select the fuses for the station correctly, both the current consumption and the
inrush currents (melting integral for the series-connected fuse) must be taken into consideration.
Fuse for S
of the
melting
integrals in
A²s
I
L+ A
I
UPx A
Recommended fuse
Type Value
F1 CPU logic 1.000 » 0.4 - Quick 10 A
F2 Module Dig-
ital1
0.005 - 8.050 Quick 10 A
F3 Module Dig-
ital2
0.008 - 8.050 Quick 10 A
F4 Module Dig-
ital3
0.007 - 8.050 Quick 10 A
F5 Modules
Analog1 +
Analog2 +
Analog3 +
Analog4
0.130 - 0.820 Quick 10 A
Application planning
Power supply dimensioning > Dimensioning of the fuses
2023/03/033ADR011074, 1, en_US28