CHINFA WRA120-24

WRA120 SERIES
3PH AC - DC DIN RAIL MOUNTABLE
120W
INDUSTRIAL CONTROL EQUIPMENT
FEATURES
3 PHASE AC INPUT VOLTAGE
COMPACT DESIGN
HIGH EFFICIENCY UP TO 89%
SELECTION CHART
WRA 120 - 24
Wattage
12 : 12V OUT
24 : 24V OUT
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
WRA120-12
3o 340~575VAC
120 WATTS
WRA120-24
3o 340~575VAC
120 WATTS
OUTPUT
OUTPUT
WATTAGE VOLTAGE
Single Output Models
OUTPUT
CURRENT
EFF.
(min.)
EFF.
(typ.)
+ 12 VDC
10A
85%
87%
+ 24 VDC
5A
87%
89%
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
L123.6 x W74.3 x D118.2
Cooling
Free air convection
Case material
Metal
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2008.08.13
C
%/ C
o
C
% RH
mm
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WRA120 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
0.5
A
Vi : 500VAC
0.35
A
Line frequency
Vi nom, Io nom
Inrush current
Vi nom, Io nom
10
P. F. C.
Vi : 500VAC, Io nom
0.6
47
63
Hz
A
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
Conditions
typ.
min.
max.
unit
+ 1
%
(Adjusted before shipment)
Vi nom, Io max
Minimum load
Vi nom
Line regulation
Io nom, Vi min ...Vi max
1
%
Load regulation
Vi nom, Io min ...Io nom single mode
1
%
Temperature coefficient
Vi nom, Io min
0.02
% / oC
Ripple & noise
Vi nom, Io nom,BW = 20MHz
100
mV
-0
%
0
Hold up time
Vi nom, Io nom
Voltage trim range
Vi nom, Io nom
DC ON indicator
threshold at start up
Vi nom, Io nom
DC LOW indicator
threshold at start up
Vi nom, Io nom
Efficiency
Vi nom, Io nom, Po / Pi
16
20
ms
12V model
11.4
14.5
VDC
24V model
22.5
28.5
VDC
12V model
10
11.2
VDC
24V model
17.6
19.4
VDC
12V model
10
11.2
VDC
24V model
17.6
19.4
VDC
Up to 89%
CONTROL AND PROTECTION
Characteristics
Conditions
min.
typ.
max.
unit
2A / 600VAC internal / phase
Input fuse
Rated over load protection
Vi nom
115
135
%
Power Rdy
(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
Vi nom, Io nom
Output short circuit
Vi nom
Over temperature
Detect on heatsink, shut down O/P
voltage, recovers automatically after
temperature goes down.
12V model
24V model
VDC
0.3
A
14.5
17.4
V
30
33
V
Current limited
100
110
o
C
*1. Single phase input is permissible, but output is derated to 75%.
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2008.08.13
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WRA120 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 WRA120 series
L1
Fuse1
L2
Fuse2
L3
Fuse3
Vo +
X
Filter
X
X
Bridge
Rectifier
Filter
P.F.C
Circuit
Switching
Device
Rectifier
Vo -
PWM
Controller
Y
Opto Isolation
Reference &
Error Amp.
Opto Isolation
Over Voltage
Detection
Output
Level
Detection
Note: 1) For 24V Model Only
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
RDY 1)
(Relay Contact)
PHYSICAL CHARACTERISTICS
CASE SIZE
SCREW TERMINAL TYPE
123.6 x 74.3 x 118.2 mm (4.87 x 2.92 x 4.65 inches)
WEIGHT
800g
DERATING
Power out [ % ]
100
75
0
-25
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2008.08.13
Temperature [ oC ]
61
71
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WRA120 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
CONSTRUCTION
74.3 [2.92]
9 10 1
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safeIy and
firmly on the rail.
111.3 [4.38]
106.6 [4.2]
4
6.9 [0.27]
+ +
123.6 [4.87]
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
R
WRA120
L1 L2 L3
5
8
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
10
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2008.08.13
OTHER OUT
7
IN
L1
6
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