Puls DIMENSION YR40 DIN rails power supply din rail power supply U YR40.241 Datenbogen

 

 

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) 

 

typ. 

0.7W 

at no output current, 
(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

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

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 

www.pulspower.com   Phone +49 89 9278 0    Germany