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 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
3o 340~575VAC 3o 340~575VAC 3o 340~575VAC
OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models
960 WATTS 960 WATTS 960 WATTS + 24 VDC + 24 VDC + 48 VDC
OUTPUT CURRENT
40A 40A 20A
EFF. (min.)
90% 90% 91%
EFF. (typ.)
92% 92% 93%
WRA960-24 WRA960-24L WRA960-48
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
o
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 3.5 + 85 95
o o
C C
%/ C
o
% RH mm
L125.9 x W275.8 x D118.2
www.chinfa.com 2008.08.13
sales@chinfa.com
WRA960 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, cold start -24, -48 Models -24L Model Vi : 500VAC, Io nom AC IN DC IN Vi : 380VAC Vi : 500VAC 47 30 50 0.7 400 340 480 2.4 1.6 63
Conditions
min.
typ.
max.
500 575 820
unit
VAC VAC VDC A A Hz A 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 400VAC 500VAC 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 80
unit
% % % % % % / oC mV ms ms
Minimum load Line regulation Load regulation Temperature coefficient Ripple & noise Hold up time Voltage trim range
14 28 22.5 47 17.6 37 17.6 37 Up to 93%
15 30 28.5 56 19.4 43 19.4 43 2
VDC VDC VDC VDC VDC VDC unit
DC ON indicator threshold at start up DC LOW indicator threshold after start up Parallel operation *2 Efficiency
Vi nom, Io nom
CONTROL AND PROTECTION
Characteristics
Input fuse Rated over load protection Power Rdy *2 (for 24V model only) Vi nom
Threshold voltage of contact closed(at start up) Electrical isolation Contact rating at 60VDC
Conditions
min.
110 17.6 500
typ.
max.
130 19.4 0.3
unit
% VDC VDC A
V V
T5A / 500VAC internal / phase
Over voltage protection Output short circuit Over temperature
Vi nom, Io nom
(Shut down O/P voltage, re-power on to recover)
24V model 48V model
30 60
33 68
Vi nom 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%.
www.chinfa.com 2008.08.13
*2. 24L model no this function.
sales@chinfa.com
WRA960 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 WRA960 series
L1 L2 L3 Fuse1 Filter Fuse2 Fuse3 Vo +
X X
Filter
Bridge Rectifier Filter
P .F.C Circuit
Switching
Device
Rectifier
Current Detection
Vo -
X
PWM Controller
Y
Reference & Error Amp. Parallel Controller
Vout ADJ. Parallel
Bias Power
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) 3.2kg
WEIGHT
DERATING
100 Power out [ % ] 65
0 -25
61 Temperature [ oC ]
71
www.chinfa.com 2008.08.13
sales@chinfa.com
WRA960 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
275.8 [10.86] 111.30 [4.38] 106.60 [4.20] 6.90 [0.27]
WRA960
125.90 [4.96]
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
PIN NO.
1 2 3 4
Designation
RDY RDY P G
Description
A normal open relay contact for DC ON level control (Never connect except 24V model) Parallel PIN for current share Parallel GEN PIN for current share Positive output terminal Positive output terminal Positive output terminal Negative output terminal Negative output terminal Negative output terminal Ground this terminal to minimize high-frequency emissions Input terminals Input terminals Input terminals Operation indicator LED DC LOW voltage indicator LED Trimmer-potentiometer for Vout adjustment
6 7 8 9 10 11 13 14 12
OUT
5
V+ V+ V+ VVVL1 L2 L3 DC ON DC LO Vout ADJ.
* WRA960-24L without PIN 1, PIN 2, PIN 3, PIN 4.
www.chinfa.com 2008.08.13
OTHER
IN
sales@chinfa.com


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