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May 27, 2022

Heavy Duty Industrial 72 volt to 12 volt and 72V to 24V DC/DC Converters 15 Amp, 200 Watt. 5 year warranty.

Heavy Duty 72V to 12V or 24V DC/DC converters with 3 year warranty.
15 amp heavy duty DC/DC converter, 72 volts input 13.6VDC output
12V 15Amp Output 72 volt input DC/DC converter
More 72 to 12 volt converters
72 volt to 12 volt dc to dc converter regulators

These are fully regulated switchmode power converters, designed to allow the use of 12 volt equipment (or 24V equipment) in 72 volt trains. These are attractive, reliable, robust DC DC converters good for locomotives, trams, golf carts, electric vehicles and power stations. They are typically used to power laptop computers, cell phones, search lights, radios, wherever rugged 12VDC is required. They are ultra quiet, both in the input and noise fed back into the input.

To determine the amperage you need just add up the watts of all the equipment and divide by 13.6 volts (or 27.2 volts).
These converters have common negative, so they are not fully isolated, but can be used for almost all 12 volt applications. Fully isolated versions are available.
DC-DC Converters Heavy Duty
15 Amp
DC to DC Converter with 12V output
72V to 12V DC/DC converter, heavy duty industrial 15 amps
Heavy Duty
7.5 Amp
DC to DC Converter with 24V output
72V to 12V DC/DC converter, heavy duty industrial 15 amps
Part Number
and Price
Allow up to 4 weeks for manufacturing
Allow up to 4 weeks days manufacturing
65 to 100VDC Input Voltage) Input Voltage
Max Input current at No Load mA
Output Voltage 13.6 VDC (12V available, specify when ordering) 27.2 VDC (24V available, specify when ordering)
Max Output Current(s) 18 Amps
10 minutes maximum
10 minutes maximum
Max Output Power 245 watts 245W
Max Output Power (continuous) 204 Watts
(15 Amps)
(7.5 Amps)
Output current limit? Yes Yes
Operating Temperature Range -20°C to +40°C
Derating 2.5% per °C up to +50°C
Efficiency at full power >90 %
Line Regulation <±0.5%
Load Regulation <±0.5%
Switching frequency kHz
Output ripple noise <10 mV rms
Noise inserted on the input terminals <10 mV rms
Isolation Common negative
>1500 volts isolation from case to any terminal
Remote power on/off No
Input Fuse 5A MDA
Connections Screw terminals
Protection Output Over Voltage , Over Current, Short Circuit , Reverse Polarity , Over Load
Dimensions 201 x 152 x 61 mm
(7.9 x 6 x 2.4 inches)
Drawings Click Here for Drawing
Weight 1.8Kg (4 lbs)
Audible Noise None
Cooling Convection, no fan
Warranty 5 years

dimensioned drawing for the 72 to 12 volt 5A converter


OEM Battery Chargers DC to DC switcher design 72 v input 12 v output 15 amp, 72v input 24v output 7.5A

OEM Battery Chargers High efficiency

OEM Power Supplies Excellent line and load regulation

Universal Power Input OEM Power Supplies and OEM Battery Chargers Wide input voltage range suitable for 72 volt trains, street cars, experimental cars, trams and locomotives

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