Inverse Polarity Protected Transformerless String Inverter is suitable for PV installations with a generator power up to 5300 W. The Transformerless String Inverter functions on a maximum AC power of 4,800 VA. The Transformerless String Inverter is provided with inverse polarity protection with short-circuit diode. Inverse Polarity Protected Transformerless String Inverter provides rated output of 4.4 kVA and maximum output of 4.8 kVA.