WRA480-24_10 Datasheet, PDF (2/4 Pages) Chinfa Electronics Ind. Co., Ltd. – 3PH AC - DC RAIL MOUNTABLE POWER SUPPLY INDUSTRIAL CONTROL EQUIPMENT

WRA480 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25^oC Unless Otherwise Noticed
INPUT SPECIFICATIONS
Characteristics
Inrush current
Power dissipation
Leakage current
P.F.C. (Passive)
Conditions
Vi nom, Io nom
Vi : 400 VAC, Io nom
24V model
Input-Output
48V model
Input-FG
Vi nom, Io nom
min.
typ.
20
58
55
0.65
max.
25
0.25
3.5
unit
A
W
W
mA
mA
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
(Adjusted before shipment)
Minimum load
Line regulation
Load regulation
Voltage trim range
Rated continuous loading
Hold up time
Turn on time
Conditions
Vi nom, Io max
Vi nom
Io nom, Vi min ...Vi max
Vi nom, Io min ...Io nom single mode
parallel mode
Vi nom,
0.8 Io nom
24V model
48V model
Vi nom
24V model
48V model
Vi nom , Io nom
Vi nom, Io nom
Vi nom, Io nom with 7000μF CAP
Rise time
Vi nom, Io nom
Vi nom, Io nom
with 7000μF CAP
Fall time
Transient recovery time
Ripple & noise
Power back immunity
Capacitor load
DC ON indicator threshold
at start up (Green LED)
DC LOW indicator threshold
after start up (Red LED)
Parallel operation
Efficiency
Vi nom, Io nom
Vi nom, 1~0.5 Io nom
Vi nom, Io nom, BW = 20MHz
Vi nom, Io nom
24V model
48V model
Vi nom, Io nom
24V model
Vi nom, Io nom
24V model
48V model
Vi nom, Io nom
24V model
48V model
0.1 Io min ~ 0.9 Io max
Vi nom, Io nom, Po / Pi
min. ^typ. max. unit
0
+1
%
0
%
±1
%
±1
%
±5
%
22.5
28.5
VDC
47
56
VDC
20 A @ 24Vdc / 16.8 A @ 28.5Vdc
10 A @ 48Vdc / 8.5 A @ 56Vdc
20
ms
1000
ms
1500
ms
150
ms
500
ms
150
ms
2
ms
100
mV
35
VDC
63
VDC
7000
μF
17.6
19.4
VDC
37
43
VDC
17.6
19.4
VDC
37
43
VDC
2
unit
Up to 91%, See model list and typ efficiency curve
CONTROL AND PROTECTION
Characteristics
Conditions
Input fuse
Internal surge voltage protection
Rated over load protection
IEC 61000-4-5
Vi nom (see typ current limited curve)
Power Rdy
(for 24V model only)
Threshold voltage of contact closed(at start up)
Electrical isolation
Contact rating at 60VDC
Over voltage protection
Output short circuit
Vi nom, Io nom
(Auto Recovery)
24V model
48V model
Continuous
Over temperature
Discontinuous
Detect on heat sink, shut down O/P
voltage, recovers automatically after
temperature goes down.
min. ^{typ. max.} unit
T3.15 A / 500 VAC internal / phase
Varistor
110
135
%
17.6
19.4
VDC
500
VDC
0.3
A
30
33
VDC
60
68
VDC
Fold forward
Delay 3S shut-down. After 30S Auto-restart
100
110
o_C
Degree of protection
IP20
www.chinfa.com
2010.05.21
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