Characteristics Conditions min. typ. max. unit
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DRA480 SERIES
FEATURES
COMPACT DESIGN
HIGH EFFICIENCY UP TO 90%
ACTIVE PFC FUNCTION
PARALLEL FUNCTION AVAILABLE (SWITCH)
UNIVERSAL INPUT VOLTAGE
MODEL LIST
MODEL NO. INPUT
VOLTAGE OUTPUT
WATTAGE OUTPUT
VOLTAGE OUTPUT
CURRENT
+ 24 VDC
+ 48 VDC
EFF.
(typ.)
Single Output Models 20A
10A 86%
87%
480 WATTS
480 WATTS
DRA480-24x
DRA480-48x
Conditions min. typ. max. unit
Isolation voltage
Isolation resistance
Ambient temperature
Input / Output
Input / Output, @ 500VDC
Operating at Vi nom
3,000 VAC
M
100
-25 oC
+ 71
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
EFF.
(min.)
89%
90%
90 ~ 264 VAC
90 ~ 264 VAC
AC - DC DIN RAIL MOUNTABLE
480W
INDUSTRIAL CONTROL EQUIPMENT
SELECTION CHART
DRA 480 - 24 x
Wattage
24 : 24V OUT
48 : 48V OUT
A : SCREW TERMINALS
B : DETACHABLE CONNECTOR
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Storage temperature Non operational + 85 oC
Derating o
% / C
-25 4
mm
95
Dimension
Relative humidity Vi nom, Io nom % RH
Screw terminal type
Detachable connector type
20
Case material
Cooling
Metal
Free air convection
mm
mm
L125 x W175 x D123
L142 x W175 x D123
GENERAL
o
Vi nom, from +61 to +71C
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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
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DRA480 SERIES
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
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CIRCUIT SCHEMATIC
Block diagram for DRA480 series
Vo -
Vo +
L
N
Fuse
PWM
Controller
Switching
Device
Filter Rectifier Current
Detection
Opto -
Isolation
Output
Level
Detection
Reference &
Error Amp.
Y
Vout
ADJ.
DC ON
(Green LED)
RD Y
(Relay Contact)
Note: 1) For 24V Model Only
Active
P.F.C Circuit
Filter
1)
Opto -
Isolation Over Voltage
Detection
DC LOW
(Red LED)
Single / Parallel
Select
Bridge
Rectifier
DERATING
o
Temperature [ C ]
0
100
71
-25
Power out [ % ]
60
61
PHYSICAL CHARACTERISTICS
125 x 175 x 123 mm 4.92 x 6.89 x 4.84 inches
CASE SIZE
SCREW TERMINAL TYPE
DETACHABLE CONNECTOR TYPE 142 x 175 x 123 mm 5.59 x 6.89 x 4.84 inches
1920g
WEIGHT
CE
UL / cUL
TUV UL508 Listed, UL60950-1 Recongized
EN60950-1
EN61000-6-3, EN55022 class B, EN61000-3-2, EN61000-3-3
EN61000-6-2, EN55024
APPROVALS AND STANDARDS
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DRA480 SERIES
MECHANISM & PIN CONFIGURATION
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CONSTRUCTION
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safeIy and
firmly on the rail.
INSTALLATION
Ventilation / Cooling
Normal convection
All sides 25m/m free space
For cooling recommended
Connector size range
Screw terminal:
10-24AWG flexible / solid cable,
8 m/m stripping at cable end recommends
Detachable connector:
14-24AWG flexible / solid cable,
7 m/m stripping at cable end recommends
DC LO
mm [inch]
24 VDC / 20A115 / 230 VAC 7/3.5A 47-63Hz
CHINFA
Chinfa Electronics ind. Co., Ltd.
ISO 9001 Certified
DRA480
125 [4.92]
79
175[6.89]
16
24 VDC / 20A115 / 230 VAC 7/3.5A 47-63Hz
CHINFA
Chinfa Electronics ind. Co., Ltd.
ISO 9001 Certified
DRA480
125 [4.92]
DC LO
79 175[6.89] 16
142 [5.59]
PIN ASSIGNMENT
PIN NO.
V +
Designation Description
1
2
3
4
5
OUT
INOTHER
V -
DC LO
Vout ADJ.
6
7
8
9
S / P
DC ON
V -
V +
RDY A normal open relay contact for DC ON level control
(Only for 24V model)
Positive output terminal
Positive output terminal
Negative output terminal
Negative output terminal
Ground this terminal to minimize high-frequency emissions
NInput terminals (neutral conductor, no polarity at DC input)
LInput terminals (phase conductor, no polarity at DC input)
Operation indicator LED
DC LOW voltage indicator LED
Trimmer-potentiometer for Vout adjustment
Single / Parallel select switch
DC ON
DC ON
110.70 [4.4]
116 [4.6] 7.0 [0.3]
