Puls DIMENSION YR40 DIN rails power supply din rail power supply U YR40.241 Datenbogen
Produktcode
YR40.241
YR40.241
Y-Series
24-28V,
40A,
D
UAL
R
EDUNDANCY
M
ODULE
4. P
OWER
L
OSSES
DC 24V
Power losses
typ.
2.15W input:
2x10A
typ.
6.3W
input: 2x20A
typ.
2.6W input:
1x20A,
(only one input is connected to input voltage)
Standby power losses
typ.
0.35W
at no output current,
(only one input is connected to input voltage)
(only one input is connected to input voltage)
typ.
0.7W
at no output current,
(both inputs are connected to input voltages)
(both inputs are connected to input voltages)
Fig. 4-1 Power losses when both inputs draw equal current
Power Losses, typ.
5/17
0
0
5
10
30
1.0
2.0
4.0
5.0
7W
40A
25
15
20
35
Output Current
A
3.0
A... 25°C
B... 60°C
6.0
B
Output
V
A
QS/QT20
24V,20A
+
-
e.g.
24.5V
24.5V
V
A
I
1
I
2
U
1
U
2
A
V
I
OUT
U
OUT
I
1
I
2
=
U
2
U
1
=
Losses
U
1
=
U
OUT
-
* I
1
+
)
(
*
U
2
* I
2
I
OUT
QS/QT20
24V,20A
+
-
e.g.
24.5V
24.5V
Variable
Load,
0-40A
YR40
Input 1
Input 2
Output
Fig. 4-2 Power losses when only one input is used
Power Losses, typ.
Losses
U
1
=
U
OUT
-
* I
1
* I
OUT
Output
V
A
QS/QT20
24V,20A
+
-
I
1
U
1
A
V
I
OUT
U
OUT
YR40
Input 1
Input 2
Output
Variable
Load,
0-20A
0
0
2.5
5
15
0.5
1.0
2.0
2.5
4W
12.5
7.5 10
17.5 20A
Output Current
1.5
3.0
3.5
A... 25°C
B... 60°C
A
B
Note: As soon as voltage is applied on input 2, an additional 0.35W will be consumed. It is not relevant, whether this channel contributes
to the output current or not.
Oct. 2010 / Rev. 1.0 DS-YR40.241-EN
All parameters are specified at 24V, 40A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted
All parameters are specified at 24V, 40A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted
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