R48-1000 DC Power for Business-Critical Continuity™ Technical Specifications, R48-1000 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 R48-1000 Output Power vs. Temperature at 264V ≥ Vin ≥ 176 Vac % of output power 200 to 250 V AC 85 to 300 V AC 45 to 65 Hz 6.8 A 0.