30
Electrical installation
3ADW000379R0501 DCS550 Manual e e
Fan connection for DCS550:
Cabling
Thermal overload and short-circuit protection
The drive protects itself and the input and motor cables against thermal overload when the cables are
dimensioned according to the nominal current of the drive.
Power cables
Dimension the mains and motor cables according to local regulations. The cables must:
1. be able to carry the DCS550 load current,
2. be rated for at least 60°C (140°F),
3. fulfill short-circuit protection,
4. be rated according permissible touch voltage appearing under fault conditions (so that the fault point
voltage will not rise too high when an earth fault occurs) and
5. be screened according to safety regulations.
Mains cable (AC line cable) short-circuit protection
Always protect the input cable with fuses. Size the fuses according to local safety regulations, appropriate
input voltage and the rated current of the drive, see chapter Technical Data
.
High-speed semiconductor fuses provide short-circuit protection, but do not provide thermal overload
protection.
1 2 3X52: 4 5
L
N
1 2 3X52: 4 5
L
N
115V
AC
M
~
1 2 3
X52:
M
~
4 5
M55 M56
M
~
1 2 3
X52:
M
~
4 5
M55 M56
M
~
M
~
M57 M58
M55
M
~
1 2 3 4 5
X52:
L N
L
N
1 2 3
X52:
4 5
L
N
230V
AC
230V
AC
1 2 3X52: 4 5
L
N
115V
AC
J
M55
M
~
X19:
SDCS-PIN-F
F4F3F2, F3F1
SA_550_002_fan_a.ai
only 230 V
AC
Configuration 4Configuration 3Configuration 2Configuration 1
Terminals are located on top of the converter housing
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