3
INPUT FUSES
The internal input fuse (included) is not user accessible. The unit is tested
and approved for branch circuits up to 20 A. An external protection is only
required if the supplying branch has an ampacity greater than 20 A, however,
in some countries local regulations might apply. Check local codes and
requirements. If an external fuse is necessary or utilized, minimum
requirements need to be considered to avoid nuisance tripping of the circuit
breaker. See unit specifications for the minimum value Characteristic breaker
that should be used:
INPUT
The input con nection is made by the connections “L” and “N” (torque 0.5
Nm) on the terminal block connection.
If the internal fuse is triggered, there is most probably a malfunction
in the device. In this case, the device must be returned to the
factory for inspection
!
OUTPUT
The 24 VDC connection is made by the connections labeled “+” and “-” on
the terminal block connection. At the time of delivery, the output voltage is
24.5 VDC. The output voltage can be set from 24 to 28 VDC using the
potentiometer.
The device is electronically protected against short circuits and idling. In
the event of an error, the output voltage is limited to the max VDC listed in
the specifications. The unit includes an LED indicator “DC on”. This indicator
will illuminate when DC out is >17 VDC for 30W and 60W, >20 VDC for
95W.
Output and Overload Characteristic
The units are overload, no-load, short-circuit proof. Above the rated output
current, the output voltage will decrease as a result of the output current
limitation. The current flows continuously. No hiccup or shut-down behavior.
DIELECTRIC STRENGTH
The output voltage is floating and separated from the input according to
SELV (IEC/EN 60950-1) and PELV (EN 60204-1, EN 50178; IEC 62103, IEC
60364-4-41) requirements. Type and factory tests are conducted by the
manufacturer. Field tests may be conducted in the field using the appropriate
test equipment which applies the voltage with a slow ramp (2 sec up and 2 sec
down).
Connect all phase-terminals together as well as all output poles before the
test is conducted. When testing, set the cut-off current settings to the value in
the table below.
PSDR030W
A
B
C
Type Test (60 sec)
2500 VAC
3000 VAC
500 VAC
Factory Test (5 sec)
2500 VAC
2500 VAC
500 VAC
Field Test (5 sec)
2000 VAC
2000 VAC
500 VAC
Cut-off current setting
>6 mA
>6 mA
>1 mA
PSDR060W
A
B
C
Type Test (60 sec)
2500 VAC
4000 VAC
2000 VAC
Factory Test (5 sec)
2500 VAC
2500 VAC
500 VAC
Field Test (5 sec)
2000 VAC
2000 VAC
500 VAC
Cut-off current setting
>4 mA
>4 mA
>1 mA
PSDR095W
A
B
C
Type Test (60 sec)
2500 VAC
3000 VAC
500 VAC
Factory Test (5 sec)
2500 VAC
2500 VAC
500 VAC
Field Test (5 sec)
2000 VAC
2000 VAC
500 VAC
Cut-off current setting
>6 mA
>6 mA
>20 mA
AC 100-120 / 220-240V
N
24-28V
DC on
24V
+ +
3.9A
Power Supply
L
PSDR095W
NEC Class 2
_
_
AC 100-240V
PSDR030W
Power Supply
L
N
24-28V
+ _ _
24V 1.3A
DC on
Power Supply
N L
AC 100-240V
PSDR060W
_ _
+ +
24V 2.5A
DC on
24-28V
Output Voltage
0
0
0.8
1.6
4
8
12
28V
16
20
24
2.8A
2.0
1.2
0.4
2.4
Adjustment
Range
Output Current
Output Voltage
0
0
4
8
12
28V
16
20
24
6A
3
2
1
5
4
Adjustment
Range
Output Current
PSDR060W
PSDR030W
A
C
N
L
Input
Earth, PE
Output
-
+
B
Output Voltage
0
0
2
4
4
8
12
28V
16
20
24
8A
5
3
1
6
7
Adjustment
Range
Output
Current
PSDR095W
