DC-DC CONVERTERS PM250 1 8 7 - 2 5 0 W AT T S D C / D C S I N G L E O U T P U T FEATURES • • • • • • • Overvoltage protection, (OVP). Over/under voltage alarm output via relay. Extra output via series diode. Output voltage adjustable from front panel. Meets IP20 as standard. Operating temperature -25 to +55 OC Low ripple and noise. SPECIFICATIONS INPUT Voltage 12V, 24V, 48V Isolation Input - Output: 2.5kVac / 4kVdc Input – Case: 2.5kVac / 4kVdc Output– Case: 2.5kVac / 4kVdc Input – Alarm: 2.5kVac / 4kVdc Output – Alarm: 2.5kVac / 4kVdc Case – Alarm: 2.5kVac / 4kVdc Cooling Optional features Dimensions Convectional cooling. -Conformally coating, option I. For environment with high non-condensing humidity max 98% RH. -EN/IEC61000-4-5 level 4. External varistor + surge arrestor mounted from pole to ground. With this filter the input meets Level 4 of EN/IEC61000-4-5 (+/-2kV line to line, 4kV line to ground) -Train input, option T. Input voltage range according to train Standard EN50155 and IEC 60751. 58 x 214 x 194mm Weight 2.5kg Mounting brackets PM250 supplied with L58-1 mounting bracket OUTPUT Voltage See table. Current See table. Source regulation 0.1%. Load regulation 0.3%. Output ripple (60kHz) 30mV p-p Voltage adjustment 95% - 110%. Current limit protection 105%. Overvoltage protection 115%. STANDARDS Safety standards IEC 60950, EN/IEC 61204-3 C-Tick EMC standards AS/NZS CISPR11 Group 1, Class A EN/IEC 61000-6-2 EN/IEC 61000-4-2 EN/IEC 61000-4-3 EN/IEC 61000-4-4 EN/IEC 61000-4-5 EN/IEC 61000-4-6 EN/IEC 61000-6-3, EN55011/EN55022 (0.15-30mHz) Level B (30-1000mHz) Level A Over/under voltage alarm 90%-115% of nominal output. Remote sense No. Soft start Yes. Start-up time <1s Hold-up time 2-25ms Efficiency >80% SELECTION TABLE ENVIRONMENTAL Operating temperature 122 EMI standards Temperature coefficient -25°C to 55°C (100% load). -25°C to +70°C (with derating), contact Powerbox for details. 0.02%. Storage temperature -40°C to 85°C. MODEL NUMBER INPUT OUTPUT POWER PM250 12/13.2 11-16V 13.2V 14.1A 187W PM250 12/24 11-16V 24V 7.8A 187W TECHNICAL ILLUSTRATIONS PM250 12/36 11-16V 36V 5.2A 187W FRONT PANEL PM250 12/48 11-16V 48V 3.9A 187W PM250 24/13.2 20-32V 13.2V 18.9A 250W PM250 24/24 20-32V 24V 10.4A 250W PM250 24/36 20-32V 36V 6.9A 250W PM250 24/48 20-32V 48V 5.2A 250W PM250 48/13.2 41-60V 13.2V 18.9A 250W PM250 48/24 41-60V 24V 10.4A 250W PM250 48/36 41-60V 36V 6.9A 250W PM250 48/48 41-60V 48V 5.2A 250W DOC. NO. PBC9 REV.C 28-4-11