5
4 PRODUCT FUNCTION
The DPS1225/DPS1240/DPS2410/DPS2420 is a DC-DC power supply designed to run electrical loads.
The input voltage of the DPS can be above, below or equal to the output voltage making it ideal for
running equipment where specific load voltages or extreme voltage drop are an issue.
The DPS is also designed to isolate the main battery from the load when the vehicle is turned off to avoid
flattening the vehicle’s starter battery.
4.1 Display Panel
The front panel features 4 LEDs to display the voltage level and output status.
LED State ‘Voltage Level’ LEDs ‘Output Status’ LED
Off Unit has no Power Output is off
Blinking Unit is in Standby
Unit is supplying power
On Unit is on and can supply power
When blinking, the flash duty-cycle of the ‘Output Status’ LED will increase to reflect the amount of
current being supplied - If the LED is ON solid, the unit is supplying full power (e.g. 25A for a DPS1225).
Figure 1: The DPS Series Front Decals
Designed and made in Australia
10A Switchmode
Voltage Booster
9-32V to 24V
DPS2410
OUTPUT STATUS
DC Power Supply
24V 27.4V 29V
Designed and made in Australia
20A Switchmode
Voltage Booster
9-32V to 24V
DPS2420
DC Power Supply
OUTPUT STATUS24V 27.4V 29V
Designed and made in Australia
40A Switchmode
Voltage Reducer
9-32V to 12V
DPS1240
DC Power Supply
OUTPUT STATUS12V 13.7V 14.5V
Designed and made in Australia
25A Switchmode
Voltage Reducer
9-32V to 12V
DPS1225
DC Power Supply
OUTPUT STATUS12V 13.7V 14.5V
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