Mechanical Specification
Derating Curve
File Name:DRH-120-SPEC 2007-09-19
Case No.921A
Unit:mm
AMBIENT TEMPERATURE (
)
L
O
A
D(
%
)
-20
0
10
20
30
40
50
60
70 (VERTICAL)
20
40
50
60
80
100
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(L1)
AC/N(L2)
DC V
DC OUTPUT -V
ADMISSIBLE DIN-RAIL: TS35/7.5 OR TS35/15
3
5
2
1
3
TB2
TB1
4
2
1
3
LED
+V ADJ.
125.2
6
5
.5
1
0
0
Block Diagram
fosc : 70KHz
O.V.P.
CONTROL
ING
FG
I/P
-V
+V
RECTIFIERS
&
FILTER
SWITCH-
POWER
FILTER
&
RECTIFIERS
FILTER
EMI
O.L.P.
DETECTION
CIRCUIT
PWM
O.T.P.
CURRENT
LIMIT
120W Single Output Industrial DIN RAIL Power Supply
D R H - 1 2 0
s e r i e s