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July 13, 2018

Fully Isolated Heavy Duty Industrial and Military Grade 72VDC to 12VDC and 24VDC DC/DC Converters 40 Amp, 540 Watt

More 72 to 12 volt converters
72 volt to 12 volt dc to dc converter regulators
Heavy Duty, Marine Grade and Military Grade 72V to 12V DC/DC converters
      72V to 24V DC/DC converter, heavy duty industrial  
5 Amp 7.5 Amp 10 Amp 40 Amp this page 40 Amp

These are fully regulated switching power converters (switchmode), designed to provide regulated 13.6 volt power for equipment in 72 volt trains, trams, mine carts and other 72V systems. These are, reliable, robust DC/DC converters. 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 12 volts.

These converters are fully isolated, so will work in positive ground or negative ground applications.
DC-DC Converters Heavy Duty
40 Amp
DC to DC Converter
72V to 24V DC/DC converter, heavy duty industrial
Ruggedized, wide temperature range
40 Amp
DC to DC Converter
72V to 24V DC/DC converter, heavy duty industrial
Part Number
and Price
PVTC615-72-12
$916
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Allow up to 10 days for manufacturing
PVTC615-72-12-X
$1042
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Allow up to 13 days for manufacturing
  PVTC615-72-24add_to_cart.gif
   
Country of Origin Canada, NAFTA eligible
Input Voltage 65 to 90VDC
Max Input Current at full load 12.6A
Max Input Power at No Load < 10Watts
Output Voltage 13.6 VDC
(12V available, ask at time of order)
Output Voltage Adjustment ±1V typical
Max Output Current(s) 45 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.
Connections Input #12 AWG wires
Output Screw terminals
Input Fuse 1 x 15A ATC
Protection Over Voltage , Over Current, Short Circuit , Reverse Polarity , Over Load
Dimensions 368 x 259 x 109 mm
(14.5 x 10.2 x 4.3 inches)
368 x 259 x 109 mm
(14.5 x 10.2 x 4.3 inches)
Drawings Click Here for Drawing
Weight 3.2 Kg (7 lbs)
Audible Noise None None
Approvals cETLus pending  
Typical service life 87000 hours
Warranty 3 years

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).

OEM Battery Chargers Heavy Duty High Current Switchmode DC/DC Converters.

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 24 Volt, and 28 Volt systems.


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