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42/81
Bosch Rexroth AG
Connections
Cross-sections depending
on current consumption,
min. of 4 mm .
For higher current con-
sumption use 2 x 4 mm
.
VPB 40.1
(DC 24 V version)
Control cabinet PC
Power supply
PE
X20 – AC 230/115 V Power Supply
Power supply with
safety transformer
acc. to EN 60742
DC 24 V
2
2
Length max. 4 m
A
loadload
24 V
Cross sections depending
on current consumption,
2
but a min. of 0.75 mm
(1)
Easily removable and visible
(2) PE bars should be preferably installed on the mounting plate
in a conductive manner. In the case of isolated PE bars both
ends must be connected to mounting plate by means of copper
X10
strips with a maximum length of 20 cm.
The cross-section of the copper strips has to be, at least, equal
to that of the incoming mains cable.
(3)
0.75 mm up to 6 m
1.5 mm up to 10 m
Distances exceeding 10 m require
a separate local power supply
Fig.7-23:
Wiring of the DC 24 V power connection to the VPB 40.1
DANGER
The power supply unit with safety transformer according to EN 60742 must
comply with overvoltage category III, see
connection to the VPB 40.1" on page
This connection is used for device variants for AC 230/115 V.
All internally required voltages are generated by the AC 230/115 V power sup‐
ply unit.
DOK-SUPPL*-VPB*40.1***-PR02-EN-P
Rexroth IndraControl VPB 40.1 Control Cabinet PC
PE
2
10 mm
(green/yellow)
2
(blue)
6 mm
(1)
A
B
10 mm
Earth bar
0 V
A = Terminal block 4 mm
B = Terminal block 10 mm
: Terminals in isolated arrangement
(3)
2
2
High electrical voltage! Danger to life and risk
of injury caused by electric shock or bodily
harm caused by net voltage on the protective
extra-low voltage (e.g. +24V)! Connection of
power supply units, which cause protective ex‐
tra-low voltage, to net voltages, for which they
are not designed.
fig. 7-23 "Wiring of the DC 24 V power
42.
Overvoltage category III
Overvoltage category I
2
(green/yellow)
(2)
2
2
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