The CTECHI 3-phase hybrid inverter is an advanced energy solution tailored for residential and commercial applications. With four power ratings—8kW, 10kW, 12kW, and 15kW—it supports both single-phase and three-phase loads, ensuring compatibility with a variety of energy systems. Offering an impressive maximum efficiency of 97.9%, this inverter enhances energy independence while providing reliable, safe, and cost-effective performance.
The inverter meets rigorous international safety and grid connection standards, including IEC/EN 62109-1/-2, IEC/EN 62477-1, EN50549-1, VDE4105/0124, G99, and South Africa’s NRS097-2-1:2017 certifications, ensuring optimal performance and compliance in diverse regions.
Supporting simultaneous access to PV, diesel generators, batteries, and loads, this inverter offers robust adaptability. It features black start capabilities and allows users to set various working modes to suit their energy requirements.
With a maximum efficiency of 97.9% and support for multiple operating modes, the inverter ensures economical energy use. It can also function as a UPS (Uninterruptible Power Supply) to maintain power for critical loads during outages.
Designed to maximize self-consumption of solar energy, the 3-phase hybrid inverter allows homeowners to reduce reliance on the grid and achieve greater energy independence.
| Model | WH6KL3 | WH8KL3 | WH10KL3 | WH12KL3 | WH15KL3 |
| PV string input | |||||
| Max.PV input power (kW) | 9 | 12 | 15 | 18 | 22.5 |
| Max. PV voltage (V) | 1,000 | ||||
| MPPT voltage range (V) | 180~850 | ||||
| Full power MPPT voltage range (V) | 250~850 | 330~850 | 430~850 | 510~850 | 620~850 |
| Min. input voltage/start-up voltage (V) | 125/180 | ||||
| Max. input current per MPPT (A) | 13/13 | ||||
| Max. short-circuit current (A) | 16/16 | 16/16 | 16/16 | 16/16 | 25/25 |
| No. of MPPT trackers | 2 | ||||
| No. of strings per MPPT trackers | 1/1 | 1/1 | 1/1 | 1/1 | 1/1 |
| Rated PV input voltage (V) | 700 | ||||
| AC Output | |||||
| Nominal output power to grid (kVA) | 6 | 8 | 10 | 12 | 15 |
| Max. apparent power to grid (kVA) | 6.6 | 8.8 | 11 | 13.2 | 16.5 |
| Max. apparent power from grid (kVA) | 13.2 | 17.6 | 22 | 26.4 | 33 |
| Max. apparent current from grid (A) | 19.1 | 25.5 | 31.8 | 38.2 | 47.6 |
| Nominal output current to grid (A) | 8.7 | 11.5 | 14.4 | 17.3 | 21.7 |
| Max.output current to grid (A) | 9.5 | 12.7 | 15.9 | 19.1 | 23.8 |
| Nominal grid voltage (V) | 380/400，3W+N+PE | ||||
| Nominal grid frequency (Hz) | 50/60 | ||||
| THDi | ＜3% | ||||
| Battery | |||||
| Max.charging /discharging power (kW) | 6.6 | 8.8 | 11 | 13.2 | 16.5 |
| Battery voltage range (V) | 125~600 | ||||
| Battery optimal operating voltage | 150~550 | ||||
| range (V) | |||||
| Max.charging /discharging current (A) | 50 | ||||
| Rated.charging /discharging current (A) | 40 | ||||
| Battery type | Lithium /Lead acid | ||||
| Communication interface | CAN | ||||
| EPS output | |||||
| Nominal output power (kVA) | 6 | 8 | 10 | 12 | 15 |
| Max. apparent power (kVA) | 6.6 | 8.8 | 11 | 13.2 | 16.5 |
| Nominal output current (A) | 8.7 | 11.5 | 14.4 | 17.3 | 21.7 |
| Max.output current (A) | 9.5 | 12.7 | 15.9 | 19.1 | 23.8 |
| Nominal output voltage (V) | 400 ,3W+N+PE | ||||
| Nominal output frequency (Hz) | 50/60 | ||||
| THDu | ＜2% | ||||
| Max.efficiency | 97.90% | 97.90% | 98.20% | 98.20% | 98.50% |
| Europe efficiency | 97.2% | 97.20% | 97.50% | 97.50% | 97.60% |
| MPPT efficiency | ≥99.5% | ||||
| Max.battery charge/discharge efficiency | 97.50% | 97.50% | 97.50% | 97.60% | 97.80% |
| General Data | |||||
| Ingress protection | IP65 | ||||
| Operating temperature range (℃) | -25~60 | ||||
| Relative humidity | 0~95% | ||||
| Operating altitude (m) | 2,000 (>2,000 Derating) | ||||
| Dimensions W*H*D (mm) | 566*596*220 | ||||
| Net weight (kg) | 32 | ||||
| Self-consumption at night (W) | ＜15 | ||||
| Cooling | Natural | ||||
| Noise emission (dB) | ≤35 | ||||
| EMC | IEC/EN 61000-6-1:2019, IEC/EN 61000-6-2:2019, IEC/EN 61000-6-3:2021, IEN/EN 61000-6-4:2019, IEC/EN 61000-3-2:2019/A1:2021, EN 61000-3-3:2013/A2:2021, IEC/EN 61000-3-11:2019, EN 61000-3-12:2011 |
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| On-grid Standards | Europe: EN 50549-1:2019/AC:2019, Poland:EN50549-1:2019/Rfg:2016/NC Rfg:2018/PTPiREE:2021, Germany:VDE-AR-N 4105:2018 /DIN VDE V 0124-100(VDE V 0124-100):2020, South Africa: NRS 097-2-1:2017 Edition 2.1, UK:G98/G99/1-6:2022, Spain:UNE217001:2020 /UNE217002:2020/NTS V2.1:2021-07, IEC61727:2004/IEC62116:2014/IEC61683:1999, Hungary:EN50549-1:2019/RFG:2016/ Hungary, Italy CEI0-21 |
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| Safety standard | IEC/EN62109-1:2010, IEC/EN62109-2:2011 | ||||
| Display and communication | |||||
| HMI | LCD; APP | ||||
| BMS | CAN | ||||
| EMS/Meter | RS485/RS485 | ||||
| Supported communication interface | WIFI / GPRS | ||||
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