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January 6, 2014

24 volt to 12 volt DC/DC Converters

800 Watt DC/DC 24 to 13.8 volt converter 10 Amp (back) and 15 Amp (front) 24 volt to 13.8 Volt DC/DC Converters

This page: high power 24 volt to 12 volt DC/DC converters at low cost. 100 to 800 watts.

These are fully regulated switching power converters (switchmode), designed to allow the use of 12 volt equipment in 24 volt vehicles. These are attractive, reliable, robust DC/DC converters good for fork lifts, off-road, construction and recreational equipment. Those that are listed as "forced air cooling" should be protected from water, spray, and dust that could be sucked into the power supply.
24 volt to 12VDC heavy duty DC/DC converters 5 Amp
More Heavy Duty, Consumer, Industrial, and Military Grade 24VDC to 12VDC Converters

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

These are also known as 24 volt voltage reducers, and voltage regulators. These DC/DC voltage reducing converters are suitable for running electronics, such as radios, CD players, computers, and CB radios. They are NOT usually suitable for headlights, motors, solenoids, or other electromechanical devices unless they are protected from inductive kickback and motor noise, and the converter's output current is rated for the inrush, stall, and locked rotor current of the load.
DC-DC Converters 10 Amp
Peak fully
Isolated
DC to DC
Converter
click here
130 watt isolated DC to DC Converter
10 Amp Peak
DC to DC Converter
Application Notes
5 amp dc/dc converter
15 Amp Peak
DC to DC Converter
Application Notes
10 amp DC/DC converter
30 Amp Peak
DC to DC Converter
300 watt peak 28VDC to 13.8VDC converter
40 Amp Peak
DC to DC Converter
40 amp peak DC/DC converter, 24VDC to 13.8VDC
60 Amp Peak
DC to DC Converter
60 amp peak DC/DC converter 24VDC to 13.8VDC
80 Amp Peak
DC to DC Converter
Part Number
and Price
  PST-D24/12-100
Quantity 1-9 $38.50
10-99 $33.75
100-499 $21.75
500+ $19.95
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PST-D24/12-150
1-9 $65.50
10-99 $49.25
100-499 $33.75
500+ $31.50
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PST-D24/12-300
1-10 $128.50
11-100 $107.75
101-500 $73.00
501+ $68.00
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PST-D24/12-400
1-10 $165.50
11-100 $145.00
101-500 $101.50
500+ $91.00
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PST-D24/12-600
1-10 $209.50
11-100 $188.25
101-500 $130.00
501+ $122.00 add_to_cart.gif
PST-D24/12-800
1-10 $240.75
11-100 $221.50
101-500 $152.25
501+ $140.00
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Continuous Current   5 Amps 10 Amps 15 Amps 20 Amps 30 Amps 40 Amps
Peak Current   10 Amps 15 Amps 30 Amps 40 Amps 60 Amps 80 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 12.5-15.5V with internal trimpot 12.5-15.5V with internal trimpot VR1 12.5-15.5V with internal trimpot VR1 12.5-15.5V with internal trimpot VR1 12.5-15.5V with internal trimpot VR1
Max Output Current(s)   10 Amps (1 to 5 minutes) 15 Amps (1 to 5 minutes) 30 Amps ((milliseconds) 40 Amps (milliseconds) 60 Amps (milliseconds) 80 A (milliseconds)
Max Output Power (continuous)   70 Watts
(5 Amps)
140 Watts
(10 Amps)
200 Watts
(15 Amps)
270 Watts
(20 Amps)
410 Watts
(30 Amps)
550 Watts
(40 Amps)
Max Output Power (milliseconds)   138 Watts 200 Watts 400 Watts 550 Watts 800 Watts 1100 Watts
Output current limit?   No No Yes Yes Yes No
Output Plug Type   Flying leads (Available with cigarette lighter plugs and sockets, click here)28 to 12 volt converter with cigarette ligher input and output Flying leads (Available with cigarette lighter plugs and sockets, click here) Banana plug +screw terminal standard, others on request Banana plug + screw terminal standard, others on request Banana plug + screw terminal standard, others on request Banana plug + screw terminal standard, others on request
Efficiency   85 % 85 % 85 % 85 % 85 % 85 %
Line Regulation   ±70 mV ±70 mV ±14 mV ±14 mV ±14 mV ±14 mV
Load Regulation   ±1% ± 1% ±27 mV ±27 mV ±27 mV ±27 mV
Switching frequency   25 kHz 25 kHz 25 kHz 25 kHz 25 kHz 25 kHz
Output ripple noise   100 mV rms 100 mV rms 50 mV rms 50 mV rms 50 mV rms 50 mV rms
Remote power on/off   Yes Yes No No No Yes
Protection   Over Voltage , Over Current, Reverse Polarity , Over Load. NO SHORT CIRCUIT PROTECTION.
Connections   8 inch flying leads 8 inch flying leads Screw Terminals M4 Screw terminals M4 Screw terminals M4 Screw terminals
Dimensions   40 x 150 x 43 mm
(6 x 1 9/16 x 1 11/16 inches)
115 x 150 x 43 mm
(4 1/2 x 5 7/8 x 1 11/16 inches)
200 x 160 x 70 mm (7 7/8 x 6 5/16 x 2 3/4 inches) 200 x 195 x 70 mm (7 7/8 x 7 11/16 x 2 3/4 inches) 200 x 285 x 70 mm (7 7/8 x 11 7/32 x 2 3/4 inches) 200 x 310 x 70 (7 7/8 x 12 3/16 x 2 3/4 inches)
Drawings   Click Here for Drawing   Click Here for Drawing Click Here for Drawing Click Here for Drawing Click Here for Drawing
Weight   200 gms (7 oz) 600 gms (21 oz) 1 Kg (2.2 lbs) 1.5 Kg (3.3 lbs) 2 Kg (4.4 lbs) 2.5 Kg (5.5 lbs)
Temperature 0 to 40°C, 25 degree rise above ambient at continuous full power  
Additional Features   Passive Cooling Passive Cooling Passive Cooling Forced Air Cooling Forced Air Cooling Forced Air cooling
    PST-D24/12-100 PST-D24/12-150 PST-D24/12-300 PST-D24/12-400 PST-D24/12-600 PST-D24/12-800

Advantages:

Inexpensive High Current Switchmode DC/DC Converters.

High efficiency.

Excellent line and load regulation.

Wide input voltage range.


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