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
3o 340~575VAC 3o 340~575VAC
OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models
120 WATTS 120 WATTS + 12 VDC + 24 VDC
OUTPUT CURRENT
10A 5A
EFF. (min.)
85% 87%
EFF. (typ.)
87% 89%
WRA120-12 WRA120-24
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 W74.3 x D118.2
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WRA120 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 10 0.6 400 340 480 0.5 0.35 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 single mode Vi nom, Io min Vi nom, Io nom,BW = 20MHz Vi nom, Io nom Vi nom, Io nom 12V model 24V model 12V model 24V model Vi nom, Io nom Vi nom, Io nom, Po / Pi 12V model 24V model
min.
-0 0
typ.
max.
+1 1 1 0.02 100
unit
% % % % % / oC mV ms VDC VDC VDC VDC VDC VDC
Minimum load Line regulation Load regulation Temperature coefficient Ripple & noise Hold up time Voltage trim range
16 20 11.4 22.5 10 17.6 10 17.6 Up to 89% 14.5 28.5 11.2 19.4 11.2 19.4
DC ON indicator threshold at start up DC LOW indicator threshold at start up 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.
115 17.6 500
typ.
max.
135 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
12V model 24V model
14.5 30
17.4 33
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%.
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WRA120 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 WRA120 series
L1 L2 L3 Fuse1 Fuse2 Fuse3 Filter
X X X
Vo + Bridge Rectifier Filter
P .F.C Circuit Switching
Device
Rectifier
Vo -
Y
PWM Controller
Opto Isolation Opto Isolation
Reference & Error Amp. Over Voltage Detection Output Level Detection
Vout ADJ.
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 74.3 x 118.2 mm (4.87 x 2.92 x 4.65 inches) 800g
WEIGHT
DERATING
100 Power out [ % ]
75
0 -25
Temperature [ oC ]
61
71
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WRA120 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
CONSTRUCTION
Easy snap-on mounting onto the DIN-Rail (TS35/7.5 or TS35/15), unit sits safeIy and firmly on the rail.
6.9 [0.27]
7 4.3 [2.92]
111.3 [4.38]
9 10 1
++
4
106.6 [4.2]
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
123.6 [4.87]
R
WRA120
L1 L2 L3
5
8
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
3 4 5 7 8 10 9 6
OUT
2
V+ VVL1 L2 L3 RDY RDY DC ON DC LO Vout ADJ.
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OTHER OUT
IN
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