R48-500 DC Power for Business-Critical Continuity™ Technical Specifications, R48-500 DC Output Output Voltage, Adjustment Range Output Power Output Power, Derated for Input Voltage Output Current Efficiency Psophometric Noise (System) Temperature Derating Control and Monitoring Rectifier Alarm and Signaling Visual Indications R 48-500 Output power vs. Temperature at 176 Vac and 90Vac % of output power 100 to 250 V AC 85 to 300 V AC 45 to 65 Hz 6.8 A 0.99 ≤5% for 50%-100% load Rectifier R48-500 176Vac Rectifier R48-500 90Vac 120 100 80 60 40 20 0 -40 -20 0 For R48-500 -42 to -58 V DC 500W@Vout >48VDC See Diagram 10.5 A @ -48 VDC 91% ≤1mV ; <32 dBrnc See Diagram Alarm and status reported via CAN bus to system controller Green LED: Normal Operation Yellow LED: Alarm Red LED: Failure Flashing Red LED: Fan Failure Environmental Temperature Range, Operating -40 to +75°C, -40 to +167°F Temperature Range, Storage -40 to +75°C, -40 to +167°F Relative Humidity Altitude EMC Safety 0 to 95% 2000 m, 6560 ft at full power ETSI EN 300 386 class B, FCC CFR 47 Part 15 class B, Telcordia GR-1089-CORE class B IEC 60950, EN 60950, UL 60950 Mechanics Dimensions (H×W×D) Weight 40.8×86.5×241mm (1.6×3.4×9.5 inches) 1.25 kg (2.76 lbs) Other parts Controller Units See separate ACU+ and SCU+ datasheets Ordering information Product Name Rectifier R48-500 Emerson Network Power. The global leader in enabling Business-Critical Continuity™ www.emersonnetworkpower.com www.emersonnetworkpower.com/energysystems www.DCpowerefficiency.com 20 40 60 80 100 Temperature (°C) R 48-500 Output power vs. Input voltage at 65°C and 45°C % of output power AC Input Input Voltage, Nominal Input Voltage, Permitted Variation Line Frequency Max Input Current Power Factor THD (Total Harmonic Distortion) Rectifier R48-500 65°C Rectifier R48-500 45°C 120 100 80 60 40 20 0 50 100 150 For R48-500 200 250 300 350 Input voltage (VAC) AC Power Embedded Power Precision Cooling Connectivity Monitoring Racks & Integrated Cabinets DC Power Outside Plant Services Embedded Computing Power Switching & Controls Surge Protection Business-Critical Continuity, Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co. ©2009 Emerson Electric Co. Emerson Network Power reserves the right to alter without notice the specification, design or conditions of supply of any product or service. 2009.12