DRA100 SERIES
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25
o
C Unless Otherwise Noticed
CONTROL AND PROTECTION
Characteristics
Input fuse
Rated over load protection
Over voltage protection
Vi nom
24L model
Vi nom, Io nom
12V model
24V model
24AL model
48V model
Output short circuit
Vi nom, Io nom
Threshold voltage of contact closed(at start up)
Electrical isolation
Contact rating at 60VDC
Conditions
min.
110
102
14.5
30
24.5
60
Current limited
typ.
max.
140
108
17.4
33
25.5
66
unit
%
%
VDC
VDC
VDC
VDC
T3.15A / 250VAC internal
Power Rdy
(for 24V model only)
17.6
500
19.4
0.3
VDC
VDC
A
APPROVALS AND STANDARDS
UL / cUL
TUV
CE
UL508 Listed
UL1310 Class 2 power supply (24L model only), 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 DRA100 series
L
Fuse
Filter
N
Y
Bridge
Rectifier
Filter
Switching
Vo +
Device
Rectifier
Current
Detection
Vo -
Single / Parallel
Select
Vout
ADJ.
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
WEIGHT
90 x 54 x 113.5 mm
450g
(3.6 x 2.13 x 4.47 inches)
www.chinfa.com
2008.12.19
sales@chinfa.com
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
