WRA960 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25
o
C 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
%
%
%
%
%
% /
o
C
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
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
