QS20.241, QS20.241-A1, QS20.241-C1
Q-Series
24V, 20A, SINGLE PHASE INPUT
4. DC-INPUT
DC input
DC input range
DC input current
Allowed Voltage L/N to Earth
Turn-on voltage
Shut-down voltage
nom.
min.
typ.
max.
typ.
DC 110-150V
88-187Vdc
4.6A
375Vdc
74Vdc
-20%/+25%
110Vdc, at 24V, 20A
IEC 62103
steady state value
steady state value
typ.
69Vdc
Fig. 4-1 Wiring for DC Input
Power Supply
Instructions for DC use:
a) Use a battery or similar DC source.
For other sources contact PULS
b) Connect +pole to L and –pole to N.
c) Connect the PE terminal to an earth wire or to the
machine ground.
Battery
AC
L
+
N
+
-
Load
PE
-
DC
5. INPUT INRUSH CURRENT
An active inrush limitation circuit limits the input inrush current after turn-on of the input voltage and after short
input voltage interruptions.
The charging current into EMI suppression capacitors is disregarded in the first microseconds after switch-on.
AC 100V
AC 120V
AC 230V
Inrush current
max.
typ.
13Apeak
13Apeak
13Apeak
over entire temperature range;
mains interruptions > 750ms
over entire temperature range;
mains interruptions > 750ms
over entire temperature range;
mains interruptions > 750ms
see (A) in Fig. 5-1
11Apeak
5A2s
9Apeak
5A2s
7Apeak
5A2s
Inrush energy
max.
typ.
Inrush delay (A)
400ms
400ms
650ms
Fig. 5-1 Input inrush current, typical behavior
A
A….
Inrush delay
Input
Current
Input:
Output:
Ambient:
230Vac
24V, 20A
25°C
Upper curve:
Middle curve: Input voltage 500V / DIV
Input current 5A / DIV
Input Voltage
Lower curve:
Time basis:
Output voltage 20V / DIV
100ms / DIV
Output
Voltage
Oct. 2013 / Rev. 2.2 DS-QS20.241-EN
All parameters are specified at 24V, 20A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
5/26
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PULS [ PULS GmbH ]
