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Puls YR2.DIODE Redundancy Module Guia De Especificação

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YR2.DIODE
 
 
Y-Series 
DC12-48V,
 
20A,
 
D
UAL 
R
EDUNDANCY 
M
ODULE
 
 
May 2010 / Rev. 1.2 DS-YR2.DIODE-EN 
All parameters are specified at 24V, 20A output current, 25°C ambient and after a 5 minutes run-in time unless otherwise noted 
www.pulspower.com   Phone +49 89 9278 0    Germany 
19.9.  M
OUNTING 
O
RIENTATIONS
 
Mounting orientations other than input terminals on the bottom and output on the top require a reduction in 
continuous output power or a limitation in the maximum allowed ambient temperature. The amount of reduction 
influences the lifetime expectancy of the power supply. Therefore, two different derating curves for continuous 
operation can be found below: 
Curve A1 
Recommended output current. 
Curve A2 
Max allowed output current (results in approximately half the lifetime expectancy of A1). 
 
Fig. 19-6 
Mounting 
Orientation  A 
(Standard 
orientation) 
Redundancy
Module
INPUT
OUTPUT
 
Output Current
0
10
20
30
40
60°C
4
12
16
20A
50
A1
8
Ambient Temperature
 
 
 
 
Fig. 19-7 
Mounting 
Orientation  B 
(Upside down) 
Redundancy
Module
INPU
T
OUTPUT
 
Output Current
0
10
20
30
40
60°C
4
12
16
20A
50
A1
8
Ambient Temperature
 
 
 
 
Fig. 19-8 
Mounting 
Orientation  C  
(Table-top 
mounting) 
 
Output Current
0
10
20
30
40
60°C
4
12
16
20A
50
8
A1
A2
Ambient Temperature
 
 
 
 
Fig. 19-9 
Mounting 
Orientation  D  
(Horizontal cw) 
Redundancy
Modul
e
IN
PU
T
OUTPUT
 
Output Current
0
10
20
30
40
60°C
4
12
16
20A
50
8
A1
A2
Ambient Temperature
 
 
 
 
Fig. 19-10 
Mounting 
Orientation  E  
(Horizontal ccw) 
Redundancy
Modul
e
IN
PU
T
OUTPUT
 
Output Current
0
10
20
30
40
60°C
4
12
16
20A
50
8
A1
A2
Ambient Temperature
 
 
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