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July 11, 2018

3 Year Warranty!

72V input DC/DC battery chargers, for 12V and 24V batteries for Locomotives

DC/DC battery chargers  6 volt batteries from a 12 volt source,  72V/12V

For More DC/DC battery chargers, 24V to 12V, 12V to 24V, 24V to 24V, 72V to 12V


An ultra-quiet DC input lead acid battery charger with 72 volt input to charge 12 volt and 24 volt batteries Heavy Duty Industrial, Marine, and Military 12 Volt and 24 volt Battery Chargers for use in 72V systems, 75 watt. These chargers replace the PBCD72-72-12 and the PBCD72-72-24. NOTE: A locomotive's 72 volt battery is really 8 x 8V in series. So the nominal voltage is 64V, and the charging voltage is 73-76V. So a DC converter with a maximum input voltage of 80V will work fine.
DC Input battery chargers Heavy duty 72V to 12V DC/DC charger
72V to 12V DC/DC battery charger, heavy duty industrial and military
Heavy duty 72V to 24V DC/DC charger
72V to 12V DC/DC battery charger, heavy duty industrial and military
Heavy duty 72V to 48V DC/DC charger
72V to 12V DC/DC battery charger, heavy duty industrial and military
Part Number
and Price
PBCH10-12

$217
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PBCH10-24
$217
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PBCH10-48
$217
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IP67 certified water tight chassis version PBCH10-12Y
$419
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PBCH10-24Y
$419
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Allow up to 15 days for shipping
PBCH10-48Y
$419
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Allow up to 15 days for shipping
Country of Origin Canada, NAFTA eligible  
Input Voltage 20V-80V 30V-80V 60V-80V
Nominal Input Voltage 24V, 36V, 48V, 60V, 72V 36V, 48V, 60V, 72V 60V, 72V
Float Voltage 13.6VDC 27.2VDC 54.4VDC
Charge Current 10 Amps continuous 5 Amps continuous 2.9 Amps continuous
Max Output Current(s) 10 Amps 10 Amps 10 Amps
Output Power 136W 272W 544W
Output current limit? Yes  
Derating 2.5% per °C from 40°C ambient  
Efficiency at maximum output >93 % at maximum output  
Load when turned off When the unit is turned off or unplugged from AC, but still connected to the battery under charge a green LED will remain lit, and 20mA will be drawn from the battery under charge.
Line Regulation <±0.5 %  
Load Regulation <±0.5%  
Operating Temperature Range -20°C to +54°C
Derate linearly 2.5% per degree C from 40°C
(-4°F to +122°F)  
Output ripple noise <10 mV rms  
Noise inserted on the input terminals <10 mV rms  
Isolation Common negative, 500VDC output-ground, 500VDC output-case  
Input Fuse 3A 5TT  
Connections Pluggable Phoenix Combi-Con four position screw terminals
terminals for the PCBH10 series
Protection Input Undervoltage, Output Over Voltage , Current Limiting, Short Circuit (automatic recovery), Reverse Polarity , Over Load, Over Temperature Shutdown
Dimensions 123 x 105 x 26mm (4.85x 4.13 x 1.03 inches)
Weight 0.28 Kg (0.62 lbs)
Audible Noise None
Cooling Convection, no fan
Warranty 3 years
Duty Cycle 24 hours a day, 100% continuous


dimensions of the BCH10 series

Q: Can I leave the battery continuously on the charger?
A: Yes, the charger will go into "maintenance mode" and keep the battery topped off.
Q: Can I draw power from the battery when the charger is connected?
A: Yes, this is an advantage of the taper-charge method, there is no noise from switching between modes, just be sure that there is enough power in the charge to at least supply the load, then the battery will take whatever is left over.
Q: If I discharge the battery while the charger is attached will the charger maintain a full charge?
A: Yes.
Q: Can the charger be left connected to the battery when the charger is not turned on, or when the input voltage of the charger has been cut off?
A: Yes.

Applications:

OEM Battery Chargers Charging lighting system batteries, and scooters in a train, locomotive, boat, or electric vehicle.

OEM Battery Chargers Fully automatic without intervention.

OEM Battery Chargers Output short circuit and battery polarity protections. Input low voltage and high voltage connections.

OEM Battery Chargers Charging 12 volt "jump start" batteries from a 12 volt locomotive or float.

OEM Battery Chargers Charging 12 volt electric bicycle from a train.

Universal Power Input OEM Power Supplies and OEM Battery Chargers Taper charge--constant current, constant voltage, and float. .


Installation Notes:
  1. A qualified automotive electrical technician should be used to wire the charger into the vehicle.
  2. The PBCH10 converts 72 volt power into 12 volt power with 91% efficiency, so for a 10 amp output the input needs over 1.9 amps. Make sure that the wires connecting the are adequate for the current and the length of the run. If the voltage drop in the wires are too much the "Low Battery Voltage" alarm will come on. Wires that are too small may also overheat and melt the insulation, causing a dangerous situation. 12 gauge is usually adequate for runs up to 20 feet of wire (adding together the positive and negative wire lengths).
  3. It is OK to leave the unit on the charger when the power to the charger goes on and off.
  4. Mount in an area that will get adequate ventilation and will be free from rain, spray, or excessive dust.


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