PB315 Series FEATURES • • • • • • Designed from the ground up specifically for Rolling Stock. High temp operation without additional heatsinking. No additional cold plate necessary. Protection functions (excluding output overvoltage) auto reset, unit restarts once fault is removed. No vent holes, conformal coating of PCB. High degree of protection against dust / moisture / pollution ingress. Ruggedised mechanically for shock and vibration. Input protection against, spikes, bursts and high ripple. Meets EN50155 operating conditions, EN50121 for EMC / EMI. SPECIFICATIONS INPUT Input voltage 45-154Vdc Input current 15A Inrush Current 25A at 110Vdc input DC ripple factor 15% 24Vdc Current 20.8A Continuous power 500W Ripple voltage 100mV p-p Line regulation 0.5% at full load Load regulation 1.5% from 0 to full load Efficiency 90% at full load Power dissipated 55W at full load Isolation Input to Chassis - 2121Vdc Input to Output - 4242Vdc Output to Chassis - 707Vdc Up to 50C ambient at full load. Derate linearly from 50C full load to 80C zero load 5 to 90% Non Condensing Natural convection. No additional cold plate or heatsinking required. Relative humidity Cooling IP40 as per AS1939 Input 2.5kV, Output 0.8kV as per IEC60077-1 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 OPERATING SPECIFICATIONS Temperature PD3 as per IEC60077-1 Ingress protection Rated inpulse Withstand volts MECHANICAL OUTPUT Voltage Pollution protection RAILWAY CONVERTERS 5 0 0 W AT T S R O L L I N G S T O C K D C / D C C O N V E R T E R Safety Meets IEC60077-1, AS/NZS 60950-2000 EMC / EMI Electrical service conditions Meets EN50121-3-2:2000 and EN50155 Meets EN50155 PROTECTION Input reverse polarity Indefinate. Series diode on input. High input ripple Indefinate. Series diode on input. Input overvoltage Approx 160Vdc, Auto recovery. Output overcurrent 120% of nominal. Auto recovery. Output short circuit Indefinite. Auto recovery Output overvoltage 130% nominal. Input cycled off and on to reset. Over temperature 110C internal temperature. Auto restart. Doc. No. PBC9 Rev.C 28-4-11 Powering Progress – www.powerbox.com.au 471