... Multi-communication interfaces4. Friendly interface, easy to set Leading-edge Technology1. DC input voltage of up to 1000V2. ... to install and maintainReliability1. Comprehensive protection for overvoltage, islanding, short-circuit, overload, overheat, etc. (18 protections) Inverter ... frequency / range [Hz]50Power factor (cosφ), adjustable0.9 leading ... 0.9 laggingTotal harmonic distortion (THDi) (at ...