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Single-Phase Primary-Switched Power Supply Unit for Universal Use – QUINT 48 V DC/20 A
6.4. Connection of Various Types of Network: 100 - 240 V AC Networks
TN-S network
TN-C network
TT network
L
N
PE
L
PEN
L
N
L1
L2
L3
L N PE
QUINT
+ –
L N PE
QUINT
+ –
L N PE
QUINT
+ –
L N PE
QUINT
+ –
Figure 09
Connecting Cable:
To maintain UL approvals, use copper cables, which
are designed for operating temperatures > +75°C.
The following cable cross sections can be connected:
Solid Strande
Torque Stripping Length
pu
tA
0V
1
3 4
[mm 2 ] [mm 2 ] AWG [Nm] [lb in] [mm]
0.2 - 6 0.2 - 4 25 - 10 0.5 - 0.6 5-7 8
0.2 - 6 0.2 - 4 25 - 10 0.5 - 0.6 5-7 8
In
5
C
N 100-
L
24
2
0.5 - 16 0.5 - 10 20 - 6 1.2 - 1.5
15
10
To maintain EN 60950/UL 60950, ? exible cables
require appropriate ferrules.
For reliable and safe-to-touch
L [mm]
30 djus
. -
56
connections: Strip 8 mm from the
input/signal connector ends and
1
5
A
0 t
.0
V
10 mm from the output connector ends.
Figure 10
6.5. Input ( 1 , Figure 10)
The 100 - 240 V AC connection is made using screw
connections L, N, and 5 . The device can be connected
to single-phase AC networks or to two external
conductors for three-phase networks
(TN, TT or IT network according to VDE 0100 T300/
IEC364-3) with nominal voltages of 100 - 240 V AC.
Protecting the Primary Side
The device must be installed according to the
speci ? cations of EN 60 950. It must be possible to
Recommended Fuse:
16 A or 25 A circuit breaker, characteristic B (or
equivalent). A suitable fuse should be provided for DC
applications.
If the internal fuse is blown, this is most
probably due to a device fault.
In this case, the device should be
checked in the factory.
switch off the device using a suitable disconnecting
device outside the power supply.
Note that an all-pole disconnecting device must be
provided for two-phase operation using two external
conductors for a three-phase network. For this, mains
protection on the primary side, for example, is suitable.
Further device protection is not required, as an
internal fuse is present.
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