KACO New Energy unveiled its new blueplanet 360 NX3 series 3-phase string inverter, having 363 kVA AC output capacity
The inverter is capable of delivering up to 262 A 3-phase AC output current
The company plans to commercialize this model by early 2026
A subsidiary of Siemens AG since April 2019, KACO New Energy, promoted its latest blueplanet 360 NX3 series 3-phase string inverter models at Intersolar Europe 2025.
Suitable for utility-scale PV projects, this inverter, featuring 6 MPPT channels of up to 75 A DC carrying capacity each, is compatible with high-efficiency bifacial PV modules. However, each MPPT channel can withstand a maximum short circuit current of up to 113 A. Each MPPT channel with a voltage range of between 860 V and 1,300 V can connect up to 5 strings. With a DC/AC oversizing capability of up to 150%, this transformer-less 3-phase inverter supports a maximum DC input of 544 kW and can deliver up to 363 kVA of AC power, with a full-load current of up to 262 A in an 800 V (3-phase + PE) system.
With a specified maximum efficiency of up to 99.01%, this inverter offers very late derating, out of its operational life span.
To meet the stringent safety requirements of large-scale European on-grid PV installations, the unit includes a comprehensive suite of protective features. It is equipped with Type II surge protection devices (SPD) on both AC and DC sides to guard against lightning and external surge voltages. For the safety of personnel working on the grid line, this system is equipped with anti-islanding protection. On the DC side, this latest model always monitors the connected PV string’s health. Additionally, it can also detect any reverse DC polarity, which minimizes installation and commissioning time. During a short-circuit on the AC side, it can automatically disconnect from the grid.
According to the company, this new inverter is expected to launch commercially in early 2026.
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