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March 15, 2019

Fully Isolated Heavy Duty Industrial and Military Grade 48 volt to 48 volt DC/DC Converters 40 Amp, 540 Watt

DC/DC converters with 48V input
More DC/DC converters with 48VDC input
Heavy Duty and Military Grade 48V to 48V DC/DC converters
      40 amp heavy duty DC/DC converter 48VDC to 48VDC  
5 Amp 7.5 Amp 10 Amp 40 Amp this page 40 Amp

These are fully regulated switching power converters, designed to provide regulated 54.4 volt power for equipment in 48 volt vehicles, -48V for telecom installations and power plants. These are attractive, reliable, robust DC/DC converters good for fork lifts, off-road, construction, military, marine and recreational equipment. They are ultra-quiet both electrically and acoustically.

To determine the amperage you need just add up the watts of all the equipment to be powered and divide by 54.4volts.

These converters are fully isolated, so will work in positive ground or negative ground (+48V and -48V) applications.
DC-DC Converters Heavy Duty
10 Amp
DC to DC Converter
48V to 48V DC/DC converter, heavy duty industrial
Ruggedized, wide temperature range
10 Amp
DC to DC Converter48V to 48V DC/DC converter, heavy duty industrial
Part Number
and Price
Allow up to 3 weeks for manufacturing
Allow up to 3 weeks for manufacturing
Country of Origin Canada, NAFTA eligible
Input Voltage 40 to 60VDC
Max Input Power at No Load < 10Watts
Output Voltage 54.4 VDC
(48V available, ask at time of order)
Output Voltage Adjustment ±1V typical
Max Output Current(s) 12.5 Amps
10 minutes maximum
Max Output Power Peak 680 watts
Max Output Power (continuous) 544 Watts
(40 Amps)
Duty Cycle 100% rated power 24 hours a day
Output current limit? Yes
Operating Temperature Range -25°C to +40°C -40°C to +55°C
Derating 2.5% per °C up to +50°C 2.5% per °C up to +60°C
Efficiency >85 %
Line Regulation <±0.5%
Load Regulation <±0.5%
Transient Response <2V for 50% surge
Switching frequency 60 kHz
Output ripple noise <50 mV rms
Noise inserted on the input terminals <50 mV rms
Isolation >1500 volts isolation from case to any terminal, >1500 Volts isolation input to output. Transient voltage suppression.
Remote power on/off Option
Digital Volt/Amp meter Option
Indicators Audio and visual indicators for constant current, low input voltage, low output voltage, over temperature. Dry Contact output failure relay.
Input Fuse 1 x 25A ATC
Connections Input #12 AWG wires
Output Screw terminals
Dimensions 368 x 259 x 109 mm
Over Voltage , Over Current, Short Circuit , Reverse Polarity , Over Load (14.5 x 10.2 x 4.3 inches)
Drawings Click Here for Drawing
Weight 3.2 Kg (7 lbs)
Audible Noise None
Typical service life 87000 hours
Warranty 3 years 1 Year
Approvals cETLus pending  

drawing of the PVTC615 showing dimensions3

How to use the dry contact relay

Dry Contact Relay: To use your dry contact output fail relay you must connect a 9-pin D connector to the unit. You must use pins one and six as is indicated on the remote connector diagram. The relay is factory preset to fail in the closed position when the low output LED and buzzer come on. If you wish to have the relay fail in the open position when the low output LED and buzzer come on, you must take the cover off the unit and move the jumper to the other position on J10. J10 is located next to the relay K1.
jumper position selection
To change the position of the jumper, first turn the unit off and disconnect the unit from both the power and load(s). Next, turn the unit on for 30 seconds to discharge the capacitors, then turn it off again. Remove the eight screws holding on the cover. Turn the unit upside down, remove the cover and locate J10. It will be next to the relay K1 as is shown in the above diagram. Simply move the jumper to the desired position as is shown in the above diagram. Replace the cover and re-install the eight cover screws. Reconnect the unit to the power and load(s).


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