WRA960 SERIES
SELECTION CHART
WRA 960 - 24
Wattage
24 : 24V OUT 48 : 48V OUT
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
+ 24 VDC
+ 24 VDC
+ 48 VDC
EFF.
(typ.)
Single Output Models
40 A
40 A
20 A
90%
90%
91%
960 WATTS
960 WATTS
960 WATTS
WRA960-24
WRA960-24L
WRA960-48
EFF.
(min.)
92%
92%
93%
3o 340~575 VAC
3o 340~575 VAC
3o 340~575 VAC
Characteristics Conditions
min.
typ.
max.
unit
Switching frequency
Vi nom, Io nom
KHz
Characteristics
Conditions
min.
typ.
max.
unit
Conditions
min.
typ.
max.
unit
Isolation resistance
Ambient temperature
Input-Output, @ 500VDC
Operating at Vi nom
MΩ
100
-40
o
C
+ 71
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
Derating (see derating curve)
o
% / C
3.5
o
Vi nom, from +61 to +71 C
95
Relative humidity
Vi nom, Io nom
Vi nom, Io min
% RH20
o
% / C
± 0.03
Temperature coefficient
o
Bellcore Issue 6 @40 C, GB
24V
24L
Hours
Hours
48V
m
Hours
MTBF
Altitude during operation
52
355,000
380,000
396,000
Isolation voltage
Input-Output
3,000 / 4,242
VAC / VDC
Input-FG
VAC / VDC
1,500 / 2,121
Storage temperature
Non operational
+ 85
o
C
-40
Pollution degree
2
Ta min ... Ta max,
Io nom
575
VAC
340
820480
VDC
AC in
DC in
Vi : 400 / 500 VAC, Io nom
Input current
1.72 / 1.5
A
Cooling
Free air convection
5,000
EN 60950-1
Absolute input max. range
Installation position
Vertical ( other direction may derating using )
500 / 710
Output-FG
VAC / VDC
Rated input voltage
VAC500400
Io nom
L125.9 x W275.8 x D118.8
mm
Dimension
Screw terminal type
GENERAL
FEATURES
3PH AC - DC DIN RAIL MOUNTABLE POWER SUPPLY
INDUSTRIAL CONTROL EQUIPMENT
‧3 PHASE AC INPUT VOLTAGE
‧SELV COMPONENTS DESIGN
‧SHORT CIRCUIT PROTECTION
‧INTERNAL INPUT FILTER
‧OVER TEMPERATURE PROTECTION
‧3 YEARS WARRANTY
IND. CONT. EQ.
UL 508
H
R
Class I, Div 2
H
R
UL 60950-1
EN 60950-1
EN 61558-1
EN 61558-2-16
a
*1. Single phase input is permissible, but output load is derated to 75%
Nominal voltage *1
1 or 3 380 / 480 VAC
o o
INPUT SPECIFICATIONS
sales@chinfa.comwww.chinfa.com
P12018.07.17
Characteristics Conditions
min.
typ.
max.
unit
Characteristics Conditions
min.
unit
typ.
max.
Inrush current
Power dissipation
Leakage current
W
W
Vi : 400 VAC, Io nom
Input-Output
Input-FG
24V
48V
mA
mA
WRA960 SERIES
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
Characteristics
Conditions
min.
typ.
max.
unit
Vi nom, Io nom
24V, 48V
A
30
98
90
0.25
3.5
*2. This function is not on 24L model.
Minimum load Vi nom
%
0
Line regulation
%
Load regulation
Io nom, Vi min ...Vi max
Turn on time
Rise time
Fall time
Transient recovery time
ms
ms
ms
ms
%
± 1
%
Vi nom,
Io min ...Io nom
single mode
parallel mode
Vi nom,
0.8 Io nom
22.5
47
56
28.5
Voltage trim range
VDC
VDC
Vi nom, Io nom
Vi nom, Io nom
Vi nom, 1~0.5 Io nom
150
150
Vi nom, Io nom with 7000 F CAP
μ
DC ON indicator threshold
at start up (Green LED)
Vi nom, Io nom
Ripple & noise
Power back immunity
Capacitor load
Vi nom, Io nom, BW = 20MHz
Vi nom, Io nom
Vi nom, Io nom
DC LOW indicator threshold
after start up (Red LED)
Vi nom, Io nom
24V
48V
VDC
VDC
mV
80
43
VDC
VDC
ms
ms
1,000
± 1
17.6
± 5
37
17.6
37
19.4
43
19.4
Parallel operation *2
0.1 Io min ~ 0.9 Io max
u n i t
3
1,500
500
2
35
63
7,000
Vi nom, Io max
+ 1
%
Output voltage accuracy
(Adjusted before shipment)
48V
24V
Vi nom
Rated continuous loading
48V
24V
40 A @ 24Vdc / 33.5 A @ 28.5Vdc
20 A @ 48Vdc / 17 A @ 56Vdc
15
Hold up time
ms
Vi nom , Io nom
24V
48V
24V
48V
Efficiency
Vi nom, Io nom, Po / Pi
Up to 93%, See model list and typ efficiency curve
Power Rdy *2
(for WRA960-24 model only)
Threshold voltage of contact closed (at start up)
Electrical isolation
Contact rating at 60VDC
17.6
500
19.4
0.3
VDC
VDC
A
Input fuse
T5 A / 500 VAC internal / phase
Internal surge voltage protection Varistor
IEC 61000-4-5
Rated over load protection
110
135
%
Vi nom (see typ current limited curve)
Over voltage protection
Vi nom, 0.8 Io nom (Shut-down)
24V
30 33
48V
60
66
Output short circuit
Hiccup mode
Over temperature
Detect on heat sink, shut down O/P
voltage, recovers automatically after
temperature goes down.
o
C
100 110
Degree of protection
IP20
CONTROL AND PROTECTION
0.8
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
0
Power factor (Passive)
Vi nom, Io nom
VDC
VDC
VDC
VDC
μ F
35
Line frequency
Vi nom, Io nom
63
Hz
47
Vi : 340 VAC, Io nom
Rated input current
A
2.4
Vi nom, Io nom with 7000 F CAP
μ
sales@chinfa.comwww.chinfa.com
P22018.07.17