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MEAN WELL DR-120-24 Data Sheet

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Mechanical Specification
File Name:SDR-120-SPEC   2014-10-08
Block Diagram
Case No.992A        Unit:mm
DC OK Relay Contact
DETECTION
PWM & PFC
CIRCUIT
O.L.P.
U.V.P.
EMI FILTER
RECTIFIERS
POWER
SWITCHING
FILTER
&
RECTIFIERS
+V
DC OK
-V
I/P
FG
CONTROL
O.V.P.
&
O.C.P.
PFC
CIRCUIT
PFC
CONTROL
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
AC/N
DC OUTPUT -V
DC OUTPUT+V
ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15
Relay Contact
125.2
TB1
Contact Close
PSU turns on / DC OK.
PSU turns off / DC Fail.
30V/1A resistive load.
Contact Open
Contact Ratings (max.)
SDR-120 
series
120W Single Output Industrial DIN RAIL with PFC Function
TB2