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PB315-626W SERIES PB315 626W - DC/DC Rolling Stock Converter - Locomotive Headlights

Features
  • 626W
  • 72V & 110VDC Inputs
  • Rail Converter
  • Controls Two Locomotive Sealed Beam Headlights
  • High Temp Operation
  • Ruggedised Shock and Vibration
  • EN50155 & EN50121
Specification Sheet Make a Sales Enquiry

PB315 626W - DC/DC Rolling Stock Converter - Locomotive Headlights

Specifications

input
Input voltage 72Vin (45-101Vdc) or 110Vin (66-154Vdc)
Input current 16A at 72Vin, 12A at 110Vin
Inrush Current 16A at 72Vin, 25A at 110Vin
DC ripple factor 15%
output
Voltage High beam = 68Vdc, Low beam 72Vin = 32Vdc, Low beam 110Vin = 25Vdc
Current High beam = 9.2A, Low beam 72Vin = 6.6A,
Low Low beam 110Vin = 6.0A
Continuous power 626W max
Ripple voltage 200mV p-p
Line regulation 0.5% at full load
Load regulation 1.5% from 0 to full load
operating
Efficiency 93% at full load typical
Power dissipated 50W at full load typical
Isolation Input to Chassis - 2400Vdc
Input to Output – 3800Vdc
Output to Chassis – 750Vdc
Temperature Up to 50C ambient at full load.
Derate linearly from 50C full load to 80C zero load
Cooling Natural convection.
No additional cold plate or heatsinking required
CONTROLS AND ALARMS
High/low beam High beam for control signal < 20Vdc
Low beam for 20Vdc < control signal < 154Vdc
On/Off
(for 110Vin only)		 Unit disabled for control signal < 20Vdc
Unit enabled for 20V < control signal < 154Vdc
Headlight Fail Volt free contact closes under failure conditions
protection
Input reverse polarity Indefinite. Series diode on input
High input ripple Indefinate. Series diode on input
Input overvoltage Approx 108Vdc for 72Vin,
168Vdc for 110Vin, Auto Recovery
Output overcurrent 115% of nominal. Auto recovery
Output short circuit Indefinite. Auto recovery
Output overvoltage 125% nominal, Input cycled off & on to reset
Over temperature 105C internal temperature.
Auto restart
Pollution protection PD3 as per IEC60077-1
Ingress protection IP40 as per AS1939
Rated inpulse
withstand volts		 Input 2.5kV,
Output 0.8kV as per IEC60077-1
mechanical
Enclosure Chassis Mount Aluminium
Dimensions 322L x 150W x 102H including heatsink
Weight 4.0 kg
Terminations Screw Terminals as standard. Other terminals such as Cage Clamp, Fastons available on request.
standards
Safety Meets IEC60077-1, AS/NZS 60950-2000
EMC / EMI Meets EN50121-3-2:2000 and EN50155
Electrical service
conditions		 Meets EN50155
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