Technical Specification for Sine Wave Solar Inverter / UPS (Range - 400 VA Onwards) Technology IGBT BASED Double conversion Isolation Transformer Technology – Latest Microcontroller based PWM Generation. Salient Features of Sine Wave Solar Inverter / UPSTrue sine wave output with High Frequency digitalPWM (Pulse Width Modulation) controller design.Output short circuit protection.Inbuilt Manual Bypass switch.Battery Reverse protection.Extended Battery backup.Compact design for Space efficiency. *Note : R&D is a continuous process, Specifications are subject to change without prior notice.