PROsine 1000 Electrical Specifications • Output power: 1800 watts • Surge rating: 2900 watts • Output current (peak): 45 A • Output voltage (at no load): 120 VAC +/-3% • Output voltage (over full load and battery voltage range): 120 VAC RMS -10%/+4% • Output frequency: 60+/-0.05 (crystal controlled) • Output waveform: True sine wave (<3% THD) • Peak efficiency (12 V/24 V): 89% / 90% • No load power draw (search mode): <1.5 W • No load power draw (idle mode): <22 W • Input voltage range (12 V/24 V): 10 - 16 VDC / 20 - 32 VDC • Transfer relay rating (hardwire/transfer relay models): 15 A • Transfer time AC to inverter and inverter to AC: Max 2 cycles (typically 1 cycle) <2.5 seconds with Powersave "ON" General Specifications • Operating temperature range: 32 F - 140 F (0°C - 60°C) • Storage temperature range: -22°F - 158°F (-30°C - 70°C) • AC receptacle: Optional dual, GFCI receptacle, Hardwire (transfer relay option) • LED display panel: Removable; can be mounted remotely • Displays DC volts, amps and output power • Recommended DC fuse: 250 A • Dimensions (H x W x D): 4.5 x 11.0 x 15.4" (115 x 280 x 390 mm) • Weight: 16.5 lb (6.5 kg) • Warranty: Two year