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DRA300 SERIES

Over voltage protection

Vi nom, Io nom

Characteristics

Conditions

min.

typ.

max.

unit

Rated over load protection

Input fuse

120

145

%

T8A / 250VAC internal

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

120

19.4

0.3

145

Output short circuit

Vi nom, Io 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 = 115VAC

Vi nom, Io nom

Hold up time

Vi nom, Io min

Vi = 230VAC

24V models

48V models

25

30

22.5

47

DC ON indicator

threshold at start up

Vi nom, Io nom

ms

ms

56

28.5

Voltage trim range

%

1

%

%

Vi nom,

Io min ...Io nom

OUTPUT SPECIFICATIONS

Efficiency

Parallel operation

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

Vi nom, Io nom, Po / Pi

0

Up to 90%, See model list

17.6

37

17.6

37

5

19.4

43

19.4

43

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

132

VAC

93

264

VAC

115 / 230(auto select)

INPUT SPECIFICATIONS

186

Line frequency

Inrush current

Vi : 115VAC

Vi nom, Io nom

Vi : 230VAC

63

35

Hz

A

65

47

A

Vi nom, Io nom

VAC

370

210

VDC

www.chinfa.com

P. F. C.

Vi : 230VAC, Io nom

0.7

Io nom

Rated input current

6.0 / 3.0

A

AC in

AC in

DC in

2008.09.23