DRA18 SERIES
FEATURES
UL / cUL / TUV / CE
UNIVERSAL INPUT 90~265VAC
HIGH EFFICIENCY UP TO 77%
SHORT CIRCUIT PROTECTION
INTERNAL INPUT FILTER
2 YEARS WARRANTY
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
+ 5 VDC
+ 12 VDC
+ 15 VDC
EFF.
(typ.)
Single Output Models
90~265 VAC
90~265 VAC
90~265 VAC
90~265 VAC
3000 mA
1500 mA
1200 mA
750 mA
75%
77%
77%
77%
73%
75%
75%
75%
15 WATTS
18 WATTS
18 WATTS
18 WATTS
DRA18-05
DRA18-12
DRA18-15
DRA18-24
+ 24 VDC
AC - DC DIN RAIL MOUNTABLE
18W CLASS 2 POWER SUPPLY
INDUSTRIAL CONTROL EQUIPMENT
Characteristics
Conditions
min.
typ.
max.
unit
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Vi nom, Io nom
Input / Output
Input / Output, @ 500VDC
Operating at Vi nom, Io 70% ...100%
o
Vi nom, Io nom +51 to +71 C
K H z
3,000
VAC
M
100
-10
o
C
Storage temperature
M.T.B.F.
Non operational
According to MIL-HDBK-217F, GF40
20
+ 50
+ 85
95
195,000
Dimension
L90 x W22.5 x D115
Hrs
o
C
Derating
o
% / C
Relative humidity
Vi nom, Io nom
100
-25
2
mm
% RH
Cooling
Free air convection
Case material
Plastic
GENERAL
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
Line frequency
63
Hz
Vi nom, Io nom
47
INPUT SPECIFICATIONS
Characteristics
Conditions
min.
typ.
max.
unit
Input voltage range
265
VAC
Ta min ... Ta max,
Io nom
90
VAC
Io nom
Rated input voltage
240
100
AC in
DC in
370
120
VDC
Vi : 115VAC
10
A
18
Io nom
Inrush current
Vi : 230VAC
A
DB LECTRO Inc. 3600 boul. Matte suite i Brossard Qc J4Y-2Z2 tel:(450)-444-1424 fax:(450)-444-4714 www.dblectro.com
DRA18 SERIES
CIRCUIT SCHEMATIC
Characteristics
Conditions
min.
unit
Output voltage accuracy
Vi nom, Io min ...Io nom
typ.
max.
1
%
%
Minimum load
Line regulation
Vi nom
0
%
%
%
Load regulation
Temperature coefficient
Ripple & noise
Transient recovery time
2
1
%
300
S
o
% / C
0.02
mV
50
Io nom, Vi min ...Vi max
Io nom
Vi nom, Io nom,BW = 20MHz
Vi = 115VAC
Vi nom, Io nom
Up to 77%, See model list
OUTPUT SPECIFICATIONS
Efficiency
Hold up time
DC ON indicator
threshold at start up
DC LOW indicator
threshold after start up
Vi nom, Io min ...Io nom
50% load step changed
Vi nom, Io min
Vi nom, Io nom
Vi nom, Io nom
Vi nom, Io nom, Po / Pi
Vi = 230VAC
5V ...15V models
24V model
24V model
15V model
12V model
5V model
24V model
15V model
12V model
5V model
20
75
- 10
- 10
4.5
10.8
13.5
21.6
3.75
9
11.25
18
+ 15
+ 20
4.5
10.8
13.5
21.6
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
%
%
ms
ms
Characteristics
Conditions
min.
typ.
max.
unit
Rated over load protection
Over voltage protection
Vi nom
Vi nom, Io nom
Input fuse
Output short circuit
Vi nom, Io nom
CONTROL AND PROTECTION
110
125
135
145
%
%
T2A / 250VAC internal
Hiccup mode
CE
UL / cUL
FCC
Class B
TUV
UL508 / UL1310 Listed, Class 2 Power Supply
EN60950
EN50081-1 / EN55022 for EMI
EN50082-1 / EN55024 for EMS
Block diagram for DRA18 series
Vo -
Vo +
L
N
Fuse
Control
Switching
Device
Line
Filter
Inrush Current
Limiter and
Rectifier
Rectifier
Current
Detection
Opto -
Isolation
Opto -
Isolation
Output Level
Detection
Reference &
Error Amp.
Over Voltage
Detection
Y
Vout
ADJ.
DC ON
(Green LED)
DC LOW
(Red LED)
Voltage trim range
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
IND. CONT. EQ.
APPROVALS AND STANDARDS
DB LECTRO Inc. 3600 boul. Matte suite i Brossard Qc J4Y-2Z2 tel:(450)-444-1424 fax:(450)-444-4714 www.dblectro.com
DRA18 SERIES
DERATING
0
100
o
Temperature [ C ]
71
-20
P
o
w
e
r
o
u
t
[
%
]
50
60
PIN ASSIGNMENT
PIN NO.
V +
Designation
Description
1
2
3
4
5
Positive output terminal
Negative output terminal
Ground this terminal to minimize high-frequency emissions
Input terminals (neutral conductor, no polarity at DC input)
Input terminals (phase conductor, no polarity at DC input)
Operation indicator LED
DC LOW indicator LED
O
U
T
I
N
O
T
H
E
R
V -
N
L
ON
LO
Vout ADJ.
Trimmer-potentiometer for Vout adjustment
IND. CONT. EQ.
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
90 x 22.5 x 115 mm 3.6 x 0.89 x 4.53 inches
Plastic
150 g
MECHANISM & PIN CONFIGURATION
mm [inch]
CONSTRUCTION
Easy snap-on mounting onto the DIN-Rail
(TS35/7.5 or TS35/15), unit sits safely and
firmly on the rail; no tools required even to remove
INSTALLATION
Ventilation / Cooling
Normal convection
Above/below 25m/m free space
For cooling recommended
Connector size range
2
Solid:0.2-2.0mm (AWG24-14)
(use copper conductors only)
115 [4.53]
V+
DC Output
LO
ON
Vout ADJ.
2 1
1
3 4 5
N
22.5[0.89]
9
0
.
0
[
3
.
6
0
]
V-
L
DB LECTRO Inc. 3600 boul. Matte suite i Brossard Qc J4Y-2Z2 tel:(450)-444-1424 fax:(450)-444-4714 www.dblectro.com
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