Specifications include, but are not limited to: DC Telecom Plant Technical Requirements Input Voltage Range 185-275 Vac Input Current ≤ 30A @240 Vac Input Frequency 45 – 66 Hz Power Factor 0.98 at>50% load Efficiency >90% Harmonic Distortion ≤5% at full load OUTPUT Output Voltage Adjustment Range -42-58 VDC Nominal Output Voltage -54.5 VDC Regulation ±0.5% Ripple 100mV rms Individual Rectifier Output Current 50A @54.5V Heat Dissipation @ Max Output Vendor Provided ENVIRONMENTAL Operating Temperature -40 to 130 °F) Storage Temperature N/A Relative Humidity 95% max, non-condensing Altitude 300-350 meter AMSL typical UL and/or Telecordia listings as identified by the vendor proposing the Furnished System configurations.