20 Amp 24 volt to 12 volt DC/DC Converters

To determine the amperage you need just add up the watts of all the equipment and divide by 13.8 volts.

DC-DC Converters	40 Amp Peak DC to DC Converter
Part Number and Price	$165 Out of stock, sorry.
	PST-D24/12-400 Quantity 1-10 $165.50 11-100 $145.00
Continuous Current	20 Amps
Peak Current	40 Amps
Input Voltage	20 to 28 VDC
Max Input current at No Load	100 mA
Output Voltage	13.8 ± 0.1 VDC
Output Adjustment	12.5-15.5V with internal trimpot VR1
Max Output Current(s)	40 Amps (milliseconds)
Max Output Power (continuous)	270 Watts (20 Amps)
Max Output Power (milliseconds)	550 Watts
Output current limit?	Yes
Output Plug Type	Banana plug + screw terminal standard, others on request
Efficiency	85 %
Line Regulation	±14 mV
Load Regulation	±27 mV
Switching frequency	25 kHz
Output ripple noise	50 mV rms
Remote power on/off	No
Protection	Over Voltage , Over Current, Reverse Polarity , Over Load. NO SHORT CIRCUIT PROTECTION.
Connections	M4 Screw terminals
Dimensions	200 x 195 x 70 mm (7 7/8 x 7 11/16 x 2 3/4 inches)
Drawings	Click Here for Drawing
Weight	1.5 Kg (3.3 lbs)
Isolation	Common negative ground
Temperature	0 to 40°C, 25 degree rise above ambient at continuous full power
Additional Features	Forced Air Cooling
	PST-D24/12-400

Advantages:

Inexpensive High Current Switchmode DC/DC Converters.

High efficiency.

Excellent line and load regulation.

Wide input voltage range.