Voltcraft power inverter generate pure sine wave ac output voltcraft psw 1000 12 gb the voltcraft psw 1000 12 gb is a 12vdc power inverter that is able to generate a pure sine wave ac output this sine wave inverter is used to power devices sensitive to power fluctuations the psw inverter is safe and efficient the electronics with a microcontroller continuously monitor the major parameters hence this unit is extremely reliable even under the most demanding conditions even overload or s