DRH-120_09 Datasheet, PDF (2/2 Pages) Mean Well Enterprises Co., Ltd. – 120W Single Output Industrial DIN RAIL Power Supply

D R H - 1 2 0 ^{120W Single Output Industrial DIN RAIL Power Supply}
series
Mechanical Specification
Case No.921A Unit:mm
ADMISSIBLE DIN-RAIL: TS35/7.5 OR TS35/15
Block Diagram
EMI
I/P
FILTER
FG
Derating Curve
RECTIFIERS
&
FILTER
O.L.P.
O.T.P.
TB1
1
2
3
125.2
POWER
SWITCHING
PWM
CONTROL
TB2
1
2
3
4
LED
+V ADJ.
Terminal Pin No. Assignment (TB1)
Pin No. Assignment
1 FG
2 AC/L2
3 AC/L1
Terminal Pin No. Assignment (TB2)
Pin No. Assignment
1,2 DC OUTPUT +V
3,4 DC OUTPUT -V
RECTIFIERS
&
FILTER
DETECTION
CIRCUIT
CURRENT
LIMIT
O.V.P.
fosc : 70KHz
+V
-V
100
80
60
50
40
20
-20
0
10
20
30
40
50
60 70 (VERTICAL)
AMBIENT TEMPERATURE ( )
File Name:DRH-120-SPEC 2009-04-27