20A DIN Rail Type Redundancy Module
DRDN20
Block Diagram
Alarm1 DC OK
control
+
-
+
Vin 1
-
Vin
Vout
Vin 2
+
{
{
+
control
-
FG
Alarm2 DC OK
DC OK Relay Contact
Contact Ratings (max.)
Contact Close(DC OK)
30V/1A resistive load
PSU turns on
Contact Open(DC Fail) PSU turns off / over or under input voltage
Derating Curve
Output Derating VS Input Voltage
100
90
100
80
70
60
50
40
30
20
40
10
-40 -30 -20 -10
0
10 20
40 50
60
80
(VERTICAL)
70
9
12
24
48
14
29
60
19
36
AMBIENT TEMPERATURE (℃)
INPUT VOLTAGE (V)
File Name:DRDN20-SPEC 2019-08-19