Alpha Technologies INV-4815EA, 48 Volt DC To 230 Volt AC 1500 VA InvertereCondition:* New Surplus Stock, In OEM Packaging. As Pictured.Additional Notes:* Pure Sine Wave Inverter Module* Hot Swappable Replacement In Shelf* DSP Design For Higher System Reliability* Smart Fan Speed Control * N+1 Redundancy System, Load Sharing Difference <5%* High Power Density * Wide Operation Temperature Range: -20C To 70C (-4F To 158F)* DC Input: Nominal Voltage: 48 VoltDC Operating Range: 40.5 Volt DC~58 VoltDC Input Protection: Reverse Polarity Protection Psophometric Noise Voltage: 1.0mV ITU-T O.41 (16.66~6000 Hz)* AC Output Power Rating: 1500 VA / 1200 Watt Waveform: Pure Sine Wave Power Factor: 0.8 Nominal Output Voltage: 230 Volt AC Voltage Variation: Max 2% Output Frequency: 50/60 Hz Crest Factor: 3:1 THD: <3%, Linear Load <5%, Non-Linear Load Efficiency: Min 88% Isolation AC-Enclosure: Basic Isolation (Pri-Gnd) 2121 Volt DC/1min Dynamic Response: <10% Over Load Protection: 1.5*Inom >20s 1.25*Inom Temperature ControlledAlpha TechnologiesINV-4815EA