XT40.721, XT40.722

– X-Series

Jan. 2007 / Rev. 1.0 DS-XT40.72x-EN All parameters are specified at 72V 13.3A, 3x400Vac (XT40.721) or 3x480Vac (XT40.722),

25°C ambient and after a 5 minutes run-in time unless otherwise noted.

www.pulspower.com Phone +49 89 9278 0

Germany

4/19

Fig. 5-2 Input voltage range

Fig. 5-3 Turn-on behavior definitions

fully regulated

range

V

IN

P

OUT

3x 528Vac

3x 432Vac

480V Version:

3x 440Vac

3x 360Vac

400V Version:

Start-up

delay

Rise

Time

- 5%

Output

Voltage

Intput

Voltage

Fig. 5-4 Input current vs. output load

Fig. 5-5 Power factor vs. output load

16A

24

10

0

0.3

0.6

0.9

1.2

1.5

1.8A

Input Current per Phase, typ.

Output Current

68

12

14

XT

40

.72

1 (

3x

40

0V

)

XT

40

.72

2 (

3x

48

0V

)

16A

2

4

10

14

0.70

0.75

0.8

0.85

0.9

0.95

1.0

Power Factor, typ.

Output Current

68

12

There is virtually no input inrush current surge as there are no electrolytic bulk-capacitors utilized on the input side of

the power supply.

The charging current into the EMI suppression capacitors is disregarded for the first millisecond after switch-on.

XT40.721

XT40.722

Inrush current

max.

4A

peak

4A

peak

Inrush energy

max.

5A

5A

Inrush delay

typ.

400ms

350ms

Fig. 6-1 Input inrush current, typical behavior

Input Current

Input Voltage

Output Voltage

A

A:

Inrush delay

XT40.721:

Input:

3x400Vac, only one phase shown

Output:

72V, 13.3A

Ambient:

25°C

Upper curve:

Input current 2A / DIV

Medium curve: Input voltage 500V / DIV

(measured between L and N)

Lower curve:

Output voltage 60V / DIV

Time basis:

100ms / DIV