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 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
MODEL NO. INPUT VOLTAGE
3o 340~575VAC 3o 340~575VAC
OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models
240 WATTS 240 WATTS + 24 VDC + 48 VDC
OUTPUT CURRENT
10A 5A
EFF. (min.)
88% 89%
EFF. (typ.)
90% 91%
WRA240-24 WRA240-48
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
GENERAL
Characteristics
Isolation voltage Isolation resistance Ambient temperature Derating Storage temperature Relative humidity Dimension Cooling Case material
Conditions Conditions
Input / Output Input / Output, @ 500VDC Operating at Vi nom Vi nom, from +61 to +71 C Non operational Vi nom, Io nom Screw terminal type Free air convection Metal
o
min. min.
3,000 100 -25 -25 20
typ. typ.
max. max.
unit unit
VAC M
+ 71 2.5 + 85 95
o o
C C
%/ C
o
% RH mm
L123.6 x W89.0 x D118.2
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WRA240 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25oC Unless Otherwise Noticed
INPUT SPECIFICATIONS
Characteristics
Nominal Voltage *1 Rated input voltage Input voltage range Rated input current Line frequency Inrush current P F. C. . Io nom Ta min ... T max, a Io nom Io nom Vi nom, Io nom Vi nom, Io nom Vi : 500VAC, Io nom AC IN DC IN Vi : 380VAC Vi : 500VAC 47 20 0.6 400 340 480 0.85 0.7 63
Conditions
min.
typ.
max.
500 575 820
unit
VAC VAC VDC A A Hz A
1o or 3o 380 / 480 VAC
OUTPUT SPECIFICATIONS
Characteristics
Output voltage accuracy
(Adjusted before shipment)
Conditions
Vi nom, Io max Vi nom Io nom, Vi min ...Vi max Vi nom, Io min ...Io nom Vi nom, Io min Vi nom, Io nom,BW = 20MHz Vi nom, Io nom Vi nom, Io nom 24V model 48V model 24V model 48V model Vi nom, Io nom 0.9 Io max Vi nom, Io nom, Po / Pi 24V model 48V model single mode parallel mode
min.
-0 0
typ.
max.
+1 1 1 5 0.02 100
unit
% % % % % % / oC mV ms VDC VDC VDC VDC VDC VDC unit
Minimum load Line regulation Load regulation Temperature coefficient Ripple & noise Hold up time Voltage trim range
16 20 22.5 47 17.6 37 17.6 37 Up to 91% 28.5 56 19.4 43 19.4 43 2
DC ON indicator threshold at start up DC LOW indicator threshold at start up Parallel operation Efficiency
Vi nom, Io nom
CONTROL AND PROTECTION
Characteristics
Input fuse Rated over load protection Power Rdy (for 24V model only) Vi nom
Threshold voltage of contact closed(at start up) Electrical isolation Contact rating at 60VDC
Conditions
min.
120 17.6 500
typ.
max.
140 19.4 0.3
unit
% VDC VDC A
V V
2A / 600VAC internal / phase
Over voltage protection Output short circuit Over temperature
Vi nom, Io nom Vi nom
24V model 48V model
30 60
33 68
Current limited 100 110
o
Detect on heatsink, shut down O/P voltage, recovers automatically after temperature goes down.
C
*1. Single phase input is permissible, but output is derated to 75%.
www.chinfa.com 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 TUV CE UL508 Listed, UL60950-1 Recognized EN60950-1 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
L1 L2 L3 Fuse1 Fuse2 Fuse3 Filter
X X X
Vo + Bridge Rectifier Filter
P .F.C Circuit Switching
Device
Rectifier
Current Detection
Vo Single / Parallel Select Vout ADJ.
Y
PWM Controller
Opto Isolation Opto Isolation
Reference & Error Amp. Over Voltage Detection Output Level Detection
Note: 1) For 24V Model Only
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) 1100g
WEIGHT
DERATING
100 Power out [ % ]
75
0 -25
Temperature [ oC ]
61
71
www.chinfa.com 2008.08.14
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WRA240 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
111.3 [4.38] 106.6 [4.2] 6.9 [0.27]
WRA240
123.60 [4.87]
Rdy
IND.CONT.EQ. E196362 2JF4
CHINFA
Chinfa Electronics ind. Co., Ltd. ISO 9001 Certified
DC LO DC ON
L1
L2
L3
++
5
8
89 [3.5]
1
4
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
PIN NO.
1
Designation
V+
Description
Positive output terminal Positive output terminal Negative output terminal Negative output terminal Ground this terminal to minimize high-frequency emissions Input terminals Input terminals Input terminals A normal open relay contact for DC ON level control (Never connect except 24V model) Operation indicator LED DC LOW voltage indicator LED Trimmer-potentiometer for Vout adjustment Single / Parallel select switch
3 4 5 7 8 10 9 6
OUT
2
V+ VVL1 L2 L3 RDY RDY DC ON DC LO Vout ADJ. S/P
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OTHER
OUT
IN
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