MEAN WELL DR-120-24 Hoja De Datos
Mechanical Specification
File Name:WDR-120-SPEC 2010-12-07
Case No.992B
Unit:mm
Block Diagram
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/L1
AC/L2
DC OUTPUT -V
DC OUTPUT+V
ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15
3
5
Relay Contact
+
DC OK Relay Contact
Contact Close
PSU turns on / DC OK.
PSU turns off / DC Fail.
30V/1A resistive load.
Contact Open
Contact Ratings (max.)
120W Single Output Industrial DIN RAIL Power Supply
W D R - 1 2 0
s e r i e s
DC OK
O.V.P.
O.T.P.
CONTROL
FG
I/P
-V
+V
RECTIFIERS
&
FILTER
SWITCHING
POWER
FILTER
&
RECTIFIERS
FILTER
EMI
O.L.P.
DETECTION
CIRCUIT
PWM
CURRENT
LIMIT
D
CO
K
D
CO
K
+
V
A
D
J.
4
0
2
3
3
1
2
3
4
4
1
125.2
TB1
TB2
11
3
.5