Transformerless string inverter with 2 MPP trackers and 6 DC inputs including integrated DC isolator and three-phase feed. Simple and cost-effective DC installation without string collector boxes. High protection class with IP65, high input voltage (max. 1000V). Possibility of external control of the internal NA protection relay. Type 2 overvoltage protection integrated on the AC and DC side. AC mains connection possible with or without neutral conductor.