120W Single Output Industrial DIN RAIL Power Supply
Mechanical Specification
DRH-120
Case No.921A
series
Unit:mm
100
125.2
+V ADJ.
TB1
1
2
3
LED
65.5
35
TB2
1
2
3
4
Terminal Pin No. Assignment (TB1)
Pin No.
1
2
3
Assignment
FG
AC/N(L2)
AC/L(L1)
ADMISSIBLE DIN-RAIL: TS35/7.5 OR TS35/15
Terminal Pin No. Assignment (TB2)
Pin No.
1,2
3,4
Assignment
DC OUTPUT +V
DC OUTPUT -V
Block Diagram
I/P
EMI
FILTER
RECTIFIERS
&
FILTER
POWER
SWITCH-
ING
RECTIFIERS
&
FILTER
DETECTION
CIRCUIT
CURRENT
LIMIT
O.L.P.
O.T.P.
PWM
CONTROL
O.V.P.
fosc : 70KHz
+V
-V
FG
Derating Curve
100
80
60
LOAD (%)
50
40
20
-20
0
10
20
30
40
50
60
70 (VERTICAL)
AMBIENT TEMPERATURE ( )
File Name:DRH-120-SPEC 2007-09-19