72 volt to 12 volt DC/DC conversion for locomotive and train applications

Home: this page 13.8 volt output regulating DC-DC converters

72 volt to 12 volt DC/DC Converters

72 volt to 12 volt, DC/DC Buck-Boost converter at low cost. Suitable for operating 12 volt consumer equipment in locomotives and trains which have a 72 volt DC starting system

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These are regulated, switching power supplies or DC/DC Converters.

Though the standard output is 12 volts, there is a small range of voltage adjustment using a trimpot inside the unit, or you can specify a factory set output voltage from 13.8 to 24 volts with a minimum order.

Price/Quantity	1-10	11-100	101-500	501+
PST-DC/7212-9 72/12 volt DC/DC regulator	$144.76	$115.72	$78.87	$72.27

Model Number	PST-UDC/7212-9
Input Voltage Range	55V - 77V DC (Nominal 72VDC)
Output Voltage	12 volts (standard automotive voltage) (inquire for custom voltage)
Output Voltage Adjustment Range	11 volts to 13.9 volts by internal pot
Continuous Current	9 Amps
Continuous Output Power	124 Watts
Peak Output Power	10 Amps (case may get very hot at 10 Amps continuous)
Peak Output Current	10A
No-Load Overhead	<100 mA
Line Regulation	1%
Load Regulation	3%
Ripple Noise	<50 mV (rms)
Efficiency	>75-85%
Protection	(1) Input polarity protection. (2) Input low voltage drop out [power off reset] (3) Input high voltage protection [power off reset] (4) Output short circuit protection [auto reset (5) Output current limit [auto resume] (6) Over temperature protection [power off reset]
Dimensions	300mm x 88mm x 42mm (L x W xH) (11.8 in x 3.5 in x 1.7 in) See drawing
Indicators	Power LED (red) and Output on LED (green)
Drawing	Click Here for Drawing
Weight	1.0 kg, 2.2 pounds
Temperature Range	5-55°C
Connections	Input IEC 3-prong computer-style AC style connector for using with custom plugs, Binding Posts (Red: “+” ; Black “-“)
Adapters included	Comes with a cigarette ligher adapter socket and cord in case you want to connect to it using a cigaratte ligher plug

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Advantages:

Designed for converting an unregulated/unstable dc voltage to a regulated dc voltage.
Suitable for Locomotive and Train applications
Isolated with input and output common ground
Good load and line regulation
Wide input voltage input range
Fully electrical protected
Anodized blue colour aluminium extrusion housing

Model UDC-7212-9 Nominal Input Voltage 72 DC Input Voltage Range 65-77V DC Output Voltage 13.8V DC Load Regulation ±3% Capacity in Watts 120W Continuous Output Current 9A Efficiency 75-85% Ripple Noise 100mV (rms) No Load Consumption < 100mA Input Connection IEC Socket Output Connection Binding Posts Protections Input Polarity Input Fuse Input Low Voltage Drop Out Input High Voltage Protect Output Current Over Temperature Protect Operating Temperature Range 5-55 C Casing Aluminium Extrusion Dimensions (L x W x H) 270mm x 88mm x 42mm Weight 1Kg Colour Deep Blue

Inexpensive high current DC/DC converter stabilizes voltage in locomotive and train applications.

Also can be used to provide regulated voltage from a sealed lead acid or other battery--excellent for special purpose UPS DC battery backups.

High efficiency 75-85%.


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PowerStream Technology: 140 South Mountainway Drive, Orem Utah 84058 Phone: 801-764-9060, 9062, 9063, or 9064 Fax: 801-764-9061
		PowerStream Technology 140 South Mountainway Dr. Orem, UT 84058 Phone: 801-764-9060, 9062, 9063, or 9064 Fax: 801-764-9061 Map & Directions
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