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DRA480 SERIES

Over voltage protection

Vi nom, Io nom

Characteristics

Conditions

min.

typ.

max.

unit

Rated over load protection

120

140

%

Vi nom

Power Rdy

(for 24V model only)

Threshold voltage of contact closed(at start up)

Electrical isolation

Contact rating at 60VDC

17.6

500

19.4

0.3

Output short circuit

Vi nom

CONTROL AND PROTECTION

VDC

VDC

A

Current limited

Characteristics

Conditions

min.

unit

Vi nom, Io max

typ.

max.

+ 1

%

%

Minimum load

Line regulation

Vi nom

-0

16

%

%

Load regulation

Temperature coefficient

Ripple & noise

0.5

o

% / C

0.02

mV

100

Io nom, Vi min ...Vi max

Vi nom, Io nom,BW = 20MHz

Vi nom, Io nom

Hold up time

Vi nom, Io min

24V models

48V models

30

22.5

47

DC ON indicator

threshold at start up

Vi nom, Io nom

ms

56

28.5

Voltage trim range

%

0.5

%

%

Vi nom,

Io min ...Io nom

DC LOW indicator

threshold after start up

Output voltage accuracy

(Adjusted before shipment)

single mode

parallel mode

Vi nom, Io nom

Vi nom, Io nom

24V models

48V models

24V models

48V models

0.9 Io max

0

17.6

37

17.6

37

5

19.4

40

19.4

40

3

VDC

VDC

VDC

VDC

unit

VDC

VDC

o

All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed

SPECIFICATION

Characteristics

Conditions

min.

typ.

max.

unit

Input voltage range

Io nom

Rated input voltage

Ta min ... Ta max,

Io nom

90

120

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P. F. C.

Vi : 230VAC, Io nom

0.99

Line frequency

Inrush current

Vi nom, Io nom

47

Vi nom, Io nom

Io nom

Rated input current

230

Vi nom, Io nom, Po / Pi

Up to 90%, See model list

Efficiency

Parallel operation

24V models

48V models

30

57

33

63

V

V

OUTPUT SPECIFICATIONS

INPUT SPECIFICATIONS

DC IN

AC IN

Vi : 115VAC

Vi : 230VAC

7

264

VAC

VAC

370

VDC

63

25

Hz

A

A

3.5

A

Vi : 115VAC

Vi : 230VAC

50

A

Input fuse

10A / 250VAC internal

115 / 230

2008.08.19