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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
Continuous 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 nomRated 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