Establishing the cables
The following applies to selecting the cables for the terminals:
Terminals
Cabling
Max. Permissible
Conductor Cross-Sections
Power supply
AC line
DC line
Phase
L 1
Neutral
N
Protective
cond. PE
Positive
L+
Chassis 0 V
M
Protective
cond.
PE
4 mm
2
solid or 2.5 mm
2
flexible
4 mm
2
solid or 2.5 mm
2
flexible
4 mm
2
solid or 2.5 mm
2
flexible
4 mm
2
solid or 2.5 mm
2
flexible
4 mm
2
solid or 2.5 mm
2
flexible
4 mm
2
solid or 2.5 mm
2
flexible
Load voltage input
(Voltage monitor,
Ext. 24 V DC)
24 V input (may be
omitted if jumper
BA-EX is closed)
4 mm
2
solid or 2.5 mm
2
flexible
Enable power
supply
Set jumper from
EN-U
H
or apply
≥
3.6 V voltage at
EN, with respect to
output chassis
ground
4 mm
2
solid or 2.5 mm
2
flexible
Relay terminals,
also suitable to
230 V AC / 3 A
4 mm
2
solid or 2.5 mm
2
flexible
Monitor output
for 24 V
4 mm
2
solid or 2.5 mm
2
flexible
Note
A voltage of more than 50 V must not develop between the output
voltages and the protective conductor potential.
Power Supply Units
System Manual
4 - 30
C79000-B8576-C199-03
