Transformerless String Inverter with Inverse Polarity Protection is suitable for PV installations with a generator power up to 7,700 W. Transformerless String Inverter operates with a maximum AC power supply of 6,400 VA. Transformerless String Inverter ensures inverse polarity protection with short-circuit diode. Transformerless String Inverter with Inverse Polarity Protection provides rated output of 6.4 kVA.