... AngleN/APower factor0.8,effeciency>85%protectionDouble protectionover voltage protection,over load protectionThermal Protection,Short Circuit Protection, ... meter:0.1HZ,digital power meter:0.1Wdigital voltage meter:0.1V,digital current meter:0.01ADimentionApprox410* ... and output voltage can be adjustable as per the customers' request,customized order is acceptable. 1kva Variable Frequency frequency ...