CHINFA WRA960-24L

WRA960 SERIES
3PH AC - DC DIN RAIL MOUNTABLE
960W
INDUSTRIAL CONTROL EQUIPMENT
FEATURES
3 PHASE AC INPUT VOLTAGE
COMPACT DESIGN
HIGH EFFICIENCY UP TO 93%
PARALLEL FUNCTION
SELECTION CHART
WRA 960 - 24
Wattage
24 : 24V OUT
48 : 48V OUT
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
WRA960-24
3o 340~575VAC
960 WATTS
WRA960-24L
3o 340~575VAC
WRA960-48
3o 340~575VAC
OUTPUT
OUTPUT
WATTAGE VOLTAGE
Single Output Models
OUTPUT
CURRENT
EFF.
(min.)
EFF.
(typ.)
+ 24 VDC
40A
90%
92%
960 WATTS
+ 24 VDC
40A
90%
92%
960 WATTS
+ 48 VDC
20A
91%
93%
max.
max.
unit
unit
SPECIFICATION
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
GENERAL
Conditions
Conditions
Characteristics
min.
min.
Isolation voltage
Input / Output
Isolation resistance
Input / Output, @ 500VDC
100
Ambient temperature
Operating at Vi nom
-25
3,000
VAC
M
+ 71
o
3.5
o
o
Derating
Vi nom, from +61 to +71 C
Storage temperature
Non operational
Relative humidity
Vi nom, Io nom
Dimension
Screw terminal type
Cooling
Free air convection
Case material
Metal
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2008.08.13
typ.
typ.
-25
+ 85
20
95
L125.9 x W275.8 x D118.2
C
%/ C
o
C
% RH
mm
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WRA960 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
INPUT SPECIFICATIONS
Characteristics
Conditions
typ.
min.
Nominal Voltage *1
1o or 3o 380 / 480 VAC
400
Rated input voltage
Io nom
Input voltage range
Ta min ... Ta max,
Io nom
Rated input current
Io nom
VAC
500
AC IN
340
575
VAC
DC IN
480
820
VDC
Vi : 380VAC
2.4
A
Vi : 500VAC
1.6
A
Line frequency
Vi nom, Io nom
Inrush current
Vi nom, Io nom, cold start -24, -48 Models
47
63
-24L Model
P. F. C.
unit
max.
Vi : 500VAC, Io nom
Hz
30
A
50
A
0.7
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
(Adjusted before shipment)
Conditions
Vi nom, Io max
Minimum load
Vi nom
Line regulation
Io nom, Vi min ...Vi max
Load regulation
Vi nom,
Io min ...Io nom
-0
max.
unit
+ 1
%
%
0
1
%
single mode
1
%
parallel mode
5
%
0.02
% / oC
80
mV
Temperature coefficient
Vi nom, Io min
Ripple & noise
Vi nom, Io nom,BW = 20MHz
Hold up time
Vi nom, Io nom
Voltage trim range
typ.
min.
Vi nom, Io nom
DC ON indicator
threshold at start up
Vi nom, Io nom
DC LOW indicator
threshold after start up
Vi nom, Io nom
Parallel operation *2
0.9 Io max
Efficiency
Vi nom, Io nom, Po / Pi
400VAC
14
15
ms
500VAC
28
30
ms
24V model
22.5
28.5
VDC
48V model
47
56
VDC
24V model
17.6
19.4
VDC
48V model
37
43
VDC
24V model
17.6
19.4
VDC
48V model
37
43
VDC
2
unit
Up to 93%
CONTROL AND PROTECTION
Characteristics
Conditions
min.
typ.
max.
unit
T5A / 500VAC internal / phase
Input fuse
Rated over load protection
Vi nom
110
130
%
Power Rdy *2
(for 24V model only)
Threshold voltage of contact closed(at start up)
17.6
19.4
VDC
Electrical isolation
500
Contact rating at 60VDC
Over voltage protection
A
Vi nom, Io nom
24V model
30
33
V
(Shut down O/P voltage, re-power
on to recover)
48V model
60
68
V
Output short circuit
Vi nom
Over temperature
Detect on heatsink, shut down O/P
voltage, recovers automatically after
temperature goes down.
*1. Single phase input is permissible, but output is derated to 75%.
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2008.08.13
VDC
0.3
Current limited
100
110
o
C
*2. 24L model no this function.
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WRA960 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
APPROVALS AND STANDARDS
UL / cUL
UL508 Listed, UL60950-1 Recognized
TUV
EN60950-1
CE
EN61000-6-3, EN55022 class B
EN61000-3-2, EN61000-3-3
EN61000-6-2, EN55024
EN61204-3
CIRCUIT SCHEMATIC
Block diagram for WRA960 series
L1
Fuse1
L2
Filter Fuse2
L3
Fuse3
Vo +
X
X
Filter
Bridge
Rectifier Filter
P.F.C
Circuit
Switching
Device
Rectifier
Current
Detection
Vo -
X
Reference &
Error Amp.
PWM
Controller
Vout ADJ.
Y
Bias
Power
Parallel
Controller
Parallel
Output
Level
Detection
DC ON
DC LOW
RDY
PHYSICAL CHARACTERISTICS
CASE SIZE
SCREW TERMINAL TYPE
125.9 x 275.8 x 118.2 mm (4.96 x 10.86 x 4.65 inches)
WEIGHT
3.2kg
DERATING
Power out [ % ]
100
65
0
-25
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2008.08.13
61
Temperature [ oC ]
71
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WRA960 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
111.30 [4.38]
275.8 [10.86]
6.90 [0.27]
106.60 [4.20]
125.90 [4.96]
WRA960
CHINFA
Chinfa Electronics ind. Co., Ltd.
ISO 9001 Certified
R
IND.CONT.EQ.
E196362
2JF4
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 25mm free space
For cooling recommended
Connector size range
10-24AWG flexible / solid cable,
8 m/m stripping at cable end recommends
PIN ASSIGNMENT
Designation
PIN NO.
Description
RDY
RDY
A normal open relay contact for DC ON level control
(Never connect except 24V model)
P
Parallel PIN for current share
4
G
5
V+
Parallel GEN PIN for current share
Positive output terminal
V+
Positive output terminal
7
V+
Positive output terminal
8
V -
Negative output terminal
9
V -
Negative output terminal
10
V -
Negative output terminal
6
OUT
1
2
3
Ground this terminal to minimize high-frequency emissions
12
13
IN
11
OTHER
14
L1
Input terminals
L2
Input terminals
L3
Input terminals
DC ON
Operation indicator LED
DC LO
DC LOW voltage indicator LED
Vout ADJ.
Trimmer-potentiometer for Vout adjustment
* WRA960-24L without PIN 1, PIN 2, PIN 3, PIN 4.
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2008.08.13
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