Solis S6-EH3P50K-H 50.0kW 3-Phase HV Hybrid Inverter 50kW three-phase hybrid inverter combining solar PV, high-voltage battery, grid and generator in one unit for large commercial sites, farms and public-sector facilities that need resilient power. Fast on-grid / off-grid changeover with strong backup and overload capability to keep essential loads running during power cuts. High PV input capacity with wide MPPT range, high battery charge/discharge power and IP66 enclosure for demanding UK and overseas environments. The Solis S6-EH3P50K-H is a 50.0kW three-phase high voltage hybrid inverter designed for projects that need dependable on-grid and off-grid operation with substantial battery storage and generator support. It supports large PV arrays, high-voltage Li-ion batteries and generator input, with rapid backup switching and strong overload performance to protect critical loads in commercial, agricultural, light industrial and public-sector buildings with three-phase supplies. Key features 50kW three-phase hybrid inverter with 50kVA output for 3/N/PE 220/380V or 230/400V systems, compliant with G99 and other major European grid codes. High-voltage Li-ion battery support with up to 55kW charge/discharge power, dual battery ports and CAN/RS485 communication for compatible BMS-controlled systems. High DC input capability with up to 100kW recommended PV array size, wide 150–850V MPPT range and up to 4 × 40A MPPT inputs for modern, high-current modules. Smart AC port that can work with grid-tied inverters, diesel generators and other sources, with seamless on-grid/off-grid switching of under 10ms and up to 160% short-term backup overload capability. IP66 enclosure, intelligent fan cooling and operating temperature range from −25°C to +60°C for tough plant-room or outdoor installations. Technical specifications Inverter type and applications Model: Solis S6-EH3P50K-H (S6-EH3P(30–50)K-H series). Type: Three-phase high voltage hybrid inverter, transformerless topology. Typical applications: Larger commercial, agricultural, light industrial and public-sector buildings with three-phase supplies that require battery-backed operation. AC output – grid side Rated AC output power: 50kW. Max. apparent output power: 50kVA. Rated grid voltage: 3/N/PE, 220/380V or 230/400V. Rated grid frequency: 50Hz / 60Hz. Rated grid output current: 76A at 220/380V or 72.2A at 230/400V. Max. output current: 76A at 220/380V or 72.2A at 230/400V. Power factor: greater than 0.99, adjustable 0.8 leading to 0.8 lagging. THDi: less than 3% at linear load. AC output – backup side Rated backup output power: 50kW. Max. apparent backup power: 1.6 × rated power for 2 seconds. Backup output voltage: 3/N/PE, 220/380V or 230/400V. Backup frequency: 50Hz / 60Hz. Rated backup output current: 76A at 220/380V or 72.2A at 230/400V. Backup switch time: under 10ms for near UPS-style transfer. THDv at linear load: less than 2%. AC input – grid and generator Max. AC passthrough current (grid side): 152A at 220/380V or 144.4A at 230/400V. Rated grid input voltage: 3/N/PE, 220/380V or 230/400V. Rated grid input frequency: 50Hz / 60Hz. Generator max. input power: 50kW. Generator rated input current: 76A at 220/380V or 72.2A at 230/400V. Generator rated input voltage: 3/N/PE, 220/380V or 230/400V. Generator rated input frequency: 50Hz / 60Hz. PV input (DC side) Recommended max. PV array size: 100kW. Max. usable PV input power: 96kW. Max. DC input voltage: 1000V. Rated DC voltage: 600V. Start-up voltage: 180V. MPPT voltage range: 150–850V. Number of MPPTs / max. input strings: 4 MPPTs / 8 strings. Max. input current: 4 × 40A. Max. short-circuit current: 4 × 60A. PV connection: MC4 quick connection plugs. Integrated DC switch: yes. Battery input Battery type: Li-ion high voltage. Battery voltage range: 150–800V. Max. charge / discharge power: 55kW. Max. charge / discharge current: up to 70A × 2 with parallel support. Number of battery ports: 2. Max. charge / discharge power of each input: 35kW. Battery communication: CAN / RS485. Battery connection: terminal connector. Efficiency Max. inverter efficiency: 97.8%. European efficiency: 97.4%. PV to battery max. efficiency: 98.5%. Battery charged/discharged to AC max. efficiency: 97.5%. Protection and compliance Protection functions: anti-islanding, output overcurrent, short-circuit, DC reverse-polarity, DC and AC surge protection (Type II) and PV overvoltage protection. Integrated AFCI 2.0 (arc-fault protection): optional. Ingress protection rating: IP66. Grid connection standards: G99, EN 50549-1/EN 50549-10 and a wide range of other regional codes listed in the UK/EU datasheet. Safety / EMC standards: IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4, EN 55011. User interface and communications Display: 7.0" LCD display with Bluetooth and app support. Communications: CAN, RS485, Ethernet; optional Wi-Fi, cellular and LAN dataloggers for remote monitoring. AC connection: terminal block. Mechanical and environmental Dimensions (W × H × D): 530 × 880 × 290mm. Weight: 73kg. Topology: transformerless. Self-consumption (night): under 35W. Operating temperature range: −25°C to +60°C, with possible derating at higher temperatures. Relative humidity: 0–95% (non-condensing). Cooling: intelligent fan-cooling. Max. operating altitude: up to 4000m, subject to any derating conditions. Shipping and UK expert support Shipping is available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, please contact us on +44 2080640335 or [email protected] for a quote. This is a fixed, hard-wired three-phase hybrid inverter and is not supplied as a plug-and-play product. Energian recommends installation and commissioning by a suitably qualified electrician or trusted installer partner to meet UK wiring regulations and grid-connection rules. UK expert support is available – contact us by phone, email or live chat, or visit our office for in-person consultation on system design, battery pairing, generator integration and DNO applications. Documents available for download Solis S6-EH3P(30–50)K-H Datasheet – GBR Solis S6-EH3P Series Installation and User Manual
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