DRA300 SERIES
MECHANISM & PIN CONFIGURATION
mm [inch]
CONSTRUCTION
83 [3.27]
6
1
83 [3.27]
6
1
116.6 [4.59]
7.0 [0.3]
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safeIy and
firmly on the rail.
S
P
- - ++
Rdy
Vout ADJ.
S
P
- - ++
Rdy
Vout ADJ.
INSTALLATION
Ventilation / Cooling
Normal convection
All sides 25mm free space
For cooling recommended
Connector size range
Screw terminal:
10-24AWG flexible / solid cable,
8 m/m stripping at cable end recommends
Detachable connector:
14-24AWG flexible / solid cable,
7 m/m stripping at cable end recommends
123.6 [4.87]
142 [5.59]
DRA300
L
N
123.6 [4.87]
DC LO
DC ON
DC LO
DC ON
DRA300
L
N
AC INPUT
7
9
7
9
PIN ASSIGNMENT
PIN NO.
1
2
3
4
5
6
7
8
9
Designation
RDY
Description
A normal open relay contact for DC ON level control
(Never connect except 24V model)
Positive output terminal
Positive output terminal
Negative output terminal
Negative output terminal
Ground this terminal to minimize high-frequency emissions
Input terminals (phase conductor, no polarity at DC input)
Input terminals (neutral conductor, no polarity at DC input)
Operation indicator LED
DC LOW voltage indicator LED
Trimmer-potentiometer for Vout adjustment
Single / Parallel select switch
OUT
V+
V+
V -
V -
IN
L
N
DC ON
OTHER
DC LO
Vout ADJ.
S/P
DERATING
100
Power out [ % ]
62.5
0
-25
56
Temperature [ C ]
o
71
www.chinfa.com
2008.09.23
sales@chinfa.com
CHINFA [ CHINFA ELECTRONICS IND. CO., LTD. ]
