MEAN WELL DR-75-48 DIN-Rail Power Supply Unit, 75W 48V DC DR-75-48 Leaflet
Product codes
DR-75-48
-10
0
10
20
30
45
50
60
20
40
60
80
100
12V
24V,48V
85
90
105
125
145
165
185
205
225
264
245
100
90
80
70
60
50
40
Mechanical Specification
Output Derating
Output Derating Vs Input Voltage
Case No. 923
Unit:mm
AMBIENT TEMPERATURE (
)
INPUT VOLTAGE (V) 60Hz
L
O
A
D(
%
)
(VERTICAL)
Block Diagram
fosc : 50KHz
O.V.P.
CONTROL
FG
I/P
-V
+V
RECTIFIERS
&
FILTER
SWITCHING
POWER
FILTER
&
RECTIFIERS
FILTER
EMI
O.L.P.
DETECTION
CIRCUIT
PWM
O.T.P.
Terminal Pin No. Assignment (TB1)
Terminal Pin No. Assignment (TB2)
Pin No.
Pin No.
1
1,2
2
3,4
3
Assignment
Assignment
FG
AC/L(DC-)
AC/N(DC+)
DC OUTPUT +V
DC OUTPUT -V
ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15
1
3
2
TB1
TB2
LED
2
4
3
1
+V ADJ.
125.2
5
5
.5
1
0
0
3
5
File Name:DR-75-SPEC 2011-06-17
75W Single Output Industrial DIN Rail Power Supply
D R - 7 5
s e r i e s
L
O
A
D(
%
)