The APOLLO GTP-4000TL series inverter is high performance three phase transformerless grid connected inverter that integrated with PV maximum power point tracking (MPPT) to extract maximum DC power generated by PV array. It can operate at their optimum power output voltage even under variety weather conditions and also offers user-friendly design and high efficiency circuit design. With real-time monitoring software, the inverter can help users to monitor and calculate the acurate saving energy.