Sdr-240, Mechanical specification, Block diagram – B&B Electronics SDR-240 Series - Datasheet User Manual
Page 2: Dc ok relay contact
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Mechanical Specification
File Name:SDR-240-SPEC 2009-03-20
Block Diagram
Case No. 979A
Unit:mm
DC OK Relay Contact
Contact Close
When the output voltage reaches the adjusted output voltage.
When the output voltage drop below 90% output voltage.
30V/1A resistive load
Contact Open
Contact Ratings (max.)
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
5,6
3
Assignment
Assignment
FG
AC/L
AC/N
DC OUTPUT +V
DC OUTPUT -V
ADMISSIBLE DIN-RAIL:TS35/7.5 OR TS35/15
3
5
6
3
1
2
3
4
5
6
1
2
3
125.2
11
3
.5
TB1
TB2
D
CO
K
D
CO
K
+
V
A
D
J.
Relay Contact
+
SDR-240
series
240W Single Output Industrial DIN RAIL with PFC Function
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