CHINFA WRA240-24

WRA240 SERIES
3PH AC - DC DIN RAIL MOUNTABLE
240W
INDUSTRIAL CONTROL EQUIPMENT
FEATURES
3 PHASE AC INPUT VOLTAGE
COMPACT DESIGN
HIGH EFFICIENCY UP TO 91%
PARALLEL FUNCTION AVAILABLE (SWITCH)
SELECTION CHART
WRA 240 - 24
Wattage
24 : 24V OUT
48 : 48V OUT
MODEL LIST
INPUT
VOLTAGE
MODEL NO.
OUTPUT
OUTPUT
WATTAGE VOLTAGE
Single Output Models
OUTPUT
CURRENT
EFF.
(min.)
EFF.
(typ.)
WRA240-24
3o 340~575VAC
240 WATTS
+ 24 VDC
10A
88%
90%
WRA240-48
3o 340~575VAC
240 WATTS
+ 48 VDC
5A
89%
91%
max.
max.
unit
unit
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC 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
typ.
typ.
3,000
o
VAC
M
+ 71
o
2.5
o
Derating
Vi nom, from +61 to +71 C
Storage temperature
Non operational
-25
+ 85
Relative humidity
Vi nom, Io nom
20
95
Dimension
Screw terminal type
Cooling
Free air convection
Case material
Metal
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2008.08.14
L123.6 x W89.0 x D118.2
C
%/ C
o
C
% RH
mm
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WRA240 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
INPUT SPECIFICATIONS
Characteristics
Conditions
typ.
min.
Nominal Voltage *1
unit
1o or 3o 380 / 480 VAC
400
Rated input voltage
Io nom
Input voltage range
Ta min ... Ta max,
Io nom
Rated input current
max.
Io nom
500
VAC
AC IN
340
575
VAC
DC IN
480
820
VDC
Vi : 380VAC
0.85
A
Vi : 500VAC
0.7
A
Line frequency
Vi nom, Io nom
Inrush current
Vi nom, Io nom
20
P. F. C.
Vi : 500VAC, Io nom
0.6
47
63
Hz
A
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Conditions
(Adjusted before shipment)
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
single mode
parallel mode
Temperature coefficient
Vi nom, Io min
Ripple & noise
Vi nom, Io nom,BW = 20MHz
Hold up time
Vi nom, Io nom
Voltage trim range
Vi nom, Io nom
DC ON indicator
threshold at start up
typ.
min.
Vi nom, Io nom
DC LOW indicator
threshold at start up
Vi nom, Io nom
Parallel operation
0.9 Io max
Efficiency
Vi nom, Io nom, Po / Pi
1
%
1
%
5
%
0.02
% / oC
100
mV
16
20
24V model
ms
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 91%
CONTROL AND PROTECTION
Characteristics
Conditions
min.
typ.
unit
120
140
%
Threshold voltage of contact closed(at start up)
17.6
19.4
VDC
Electrical isolation
500
Rated over load protection
Vi nom
Power Rdy
(for 24V model only)
Contact rating at 60VDC
Over voltage protection
max.
2A / 600VAC internal / phase
Input fuse
Vi nom, Io nom
VDC
0.3
A
24V model
30
33
V
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.
Current limited
100
110
o
C
*1. Single phase input is permissible, but output is derated to 75%.
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2008.08.14
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WRA240 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 WRA240 series
Fuse1
L1
L2
Fuse2
L3
Fuse3
Vo +
X
Filter
X
X
Bridge
Rectifier
Filter
P.F.C
Circuit
Switching
Device
PWM
Controller
Y
Rectifier
Current
Detection
Opto Isolation
Reference &
Error Amp.
Opto Isolation
Over Voltage
Detection
Output
Level
Detection
Note: 1) For 24V Model Only
Vo Single / Parallel
Select
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
RDY 1)
(Relay Contact)
PHYSICAL CHARACTERISTICS
CASE SIZE
SCREW TERMINAL TYPE
123.6 x 89.0 x 118.2 mm (4.87 x 3.5 x 4.65 inches)
WEIGHT
1100g
DERATING
Power out [ % ]
100
75
0
-25
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2008.08.14
Temperature [ oC ]
61
71
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WRA240 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
111.3 [4.38]
106.6 [4.2]
6.9 [0.27]
123.60 [4.87]
WRA240
IND.CONT.EQ.
E196362
2JF4
CHINFA
Chinfa Electronics ind. Co., Ltd.
ISO 9001 Certified
DC LO
DC ON
L1
5
L2
+ +
L3
8
1
Rdy
4
89 [3.5]
CONSTRUCTION
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safeIy and
firmly on the rail.
9
10
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
V+
Positive output terminal
2
V+
Positive output terminal
V -
Negative output terminal
V -
Negative output terminal
3
OUT
1
4
Ground this terminal to minimize high-frequency emissions
5
Input terminals
L2
Input terminals
8
L3
Input terminals
9
RDY
RDY
A normal open relay contact for DC ON level control
(Never connect except 24V model)
DC ON
Operation indicator LED
DC LO
DC LOW voltage indicator LED
Vout ADJ.
Trimmer-potentiometer for Vout adjustment
S/P
Single / Parallel select switch
OTHER
10
OUT
7
IN
L1
6
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2008.08.14
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