BAP319R

DC/DC Converter Railway Applications

The BAP319R series DC/DC converters are an upgraded product from the very popular and mature BAP industrial grade product, with, field-proven reliability over 20 years.
These units are specifically designed for rolling stock/rail applications and can be manufactured to customer specifications with total flexibility to match customer requirements. Units are supplied with conformal coating of PCB’s and a high level of ruggedization for shock & vibration to IEC 61373 Designed for a wide range of input voltage options from 24 ~ 168vdc and any output voltage from 24 ~ 130VDC.

Rugged Mechanical Designs

Helios power supplies are ruggedly constructed and can be customized for specific mechanical requirements. Standard mechanical packages and ruggedization options include:

  • Chassis and wall-mountable units in vented conduction/convection or fan-cooled enclosures
  • DIN-rail and open-frame format available for many designs
  • Plug-in (Eurocard) format for modular power systems in 19 inch or 23-inch racks
  • Conformal coating and ruggedizing are standard
  • Full encapsulation (potting) in a thermally conductive MIL-grade silicon rubber compound with UL94V-0 flammability rating for immunity to high levels of shock and vibration, humidity, moisture, dust, salt, oil, insects and other contaminants
  • Enclosure in rugged, IP66- or IP67-rated waterproof, dustproof and explosion-proof die-cast aluminium packages. These enclosures also protect internal electronic boards from condensation and the ingress of oil, salt, sand, insects and other environmental contaminants
  • Custom connections
  • Portable DC Power Supplies

SERIES TABLE

ModelInput ( V)Output ( V)Output ( A)Power (W)
BAP319R24VDC   ( 14.4 ~ 34 )
36VDC   ( 22 ~ 51 )
48VDC   ( 20 ~ 67)
72VDC   ( 43 ~ 101)
96VDC   ( 58 ~ 135)
110VDC   ( 66 ~ 154)
24V
48V
110V
20.0A
10.0A
4.5A
500W

SPECIFICATIONS TABLE

Operating input voltage range24VDC   ( 14.4 ~ 34 )
36VDC   ( 22 ~ 51 )
48VDC   ( 20 ~ 67)
72VDC   ( 43 ~ 101)
96VDC   ( 58 ~ 135)
110VDC   ( 66 ~ 154)
Input ProtectionReverse polarity protection.Inrush current limiting Lower voltage than specified will not damage unit
Output VoltageAny output from 24vdc ~ 130vdc possible
Regulation±1% Line / Load combined
Operating Temp: -25ºC to +55ºC  cold plate temperature at 100%
load, +70ºC at 60% load
EfficiencyModel dependent , typically 80-90%
Dynamic ResponseMax ±5% diviation for 10% – 50% load step wuth 1msec recovery
MTBF>200,000 hrs

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