Model	SDM-1000-121	SDM-1000-241	SDM-1000-481	SDM-1000-122	SDM-1000-242	SDM-1000-482
AC output voltage	1000W	1000W	1000W	1000W	1000W	1000W
Max. Continuous Power	2000W	2000W	2000W	2000W	2000W	2000W
DC input voltage	12V	24V	48V	12V	24V	48V
AC output voltage	110VAC			220VAC
No-load current	0.5A	0.25A	0.13A	0.5A	0.25A	0.13A
AC output frequency	60HZ			50HZ
AC output waveform	Modified Sine Wave
Efficiency	＞85%	＞88%	＞90%	＞85%	＞88%	＞90%
DC input voltage range	10.5-15V	21-30V	42-60V	10.5-15V	21-30V	42-60V
Low Voltage Alarm	10.5±0.3V	21±0.3V	42±0.3V	10.5±0.3V	21±0.3V	42±0.3V
Low Voltage Shutdown	10±0.3V	20±0.3V	40±0.3V	10±0.3V	20±0.3V	40±0.3V
Over Voltage Protection	15.5±0.5V	31±1V	62±2V	15.5±0.5V	31±1V	62±2V
Low Voltage Recovery	12±0.5V	24±1V	48±2V	12±0.5V	24±1V	48±2V
Over Voltage Recovery	14.8V	29.5V	59V	14.8V	29.5V	59V