MS250

250 Watts HELIOS MiniPack 250 250 Watt 48VDC Compact Power Solution TM Electrical Specs Input AC Input Voltage Range Frequency Efficiency Power Factor Total Harmonic Distortion 110 Vrms (86 - 132) 50-60 Hz (45-65 Hz) >86% 0.99 for > 50% rated output current 50% rated output current Output Special Features • • • • • • • • • • • 250W Output Fixed DC Output Voltage: (-54.4 VDC) Convection Cooled Power Factor Correction Current Sharing of up to three units mountable on 19” or 23” brackets Soft Switching Technology Full Output Power at Full Temperature Range AC Connection through IEC Type Connector 2 DC power connections for load and/or battery strings 2 Alarm LED’s at front - RFA alarm, AC Fail Compact Size (2.48" inches High x 5.23" wide x 11.85" deep) DC Output Voltage Range Maximum Output Power Voltage Regulation Dynamic Response Protection and/or Disconnect Parallel Operation Power Limit Capacitor Precharge Hold-up Time Voice Frequency Noise High Frequency Noise (wideband) -54.5 VDC +/- 0.5% 250 W (4.6 ADC @ -54.5 VDC) ± 0.5% ± 0.5% Internal DC Fuse ± 10% of rated current between rectifiers 102.5% ± 2.5% of rated power Automatic upon insertion of rectifier Vout remains >42 V for 30 msec