Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of solis s6 29.9-50kw three phase inverter in China, also supports customized service. Welcome to buy advanced solis s6 29.9-50kw three phase inverter in stock from our factory.
why choose us?
1. After-Sales Support
2. Sustainability Commitment

Products Description
What is Solis S6 29.9-50KW Three Phase Inverter?
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Specifically designed for large-scale PV plants on rooftops and on ground, the inverter offers the best combination of efficiency, reliability, and flexibility for commercial, industrial and utility scale applications. The Solis three-phase inverter optimizes energy production while staying connected to the grid with a strong and reliable design, along with current technologies. Its modular design and superior level of monitoring provide an ideal solution for system integrators and project developers who want scalable and efficient solutions.
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Features
•Seamless on grid/off grid switching time <10ms
•Supports battery reserve function in multiple scenarios
•Smart Load Prioritizing – Extending support for critical loads
•Support max 10 pcs in parallel mode, >6 pcs recommend Solis power distribution cabinet
•Supports flexible PV connection through DC and AC coupling for retrofitting and expanding
•SmartLoad/GEN/INV port - Flexible connection of multiple energy sources such as Grid-tied inverter, diesel generator, wind turbines, etc.
advantages
•Compatible with 100-280Ah battery modules
•Supports faster charging with battery current up to 140A
•Powerful backup overload capability – 160% overload
•Supports 2 independent battery connections for flexible configuration
•Supports a wide power range of generator connections from 10kVA to 50kVA
•Supports max 20A PV input current, perfect match for high power PV modules
•Usable PV power up to 200% inverter rated power, to improve the utilization of PV generation
Maintenance
Wholesale clients demand reliability backed by traceable manufacturing. Here's how we ensure excellence:
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1. ISO-Certified Manufacturing
ISO 9001 & IECQ QC 080000: Our Shenzhen facility spans 100,000 sq.ft. and is committed to strict quality and environmental standards with thorough inspections of 100% of incoming materials.
Automated Production Lines: With robotic assembly, we are able to maintain consistency while reducing human error to lower than 0.1%.
2. Rigorous Testing Protocols
8-Hour Burn-In: Burn-in tests are run to simulate 10 years of operational stress, and we look for any early failures.
EMC Certification: We are certified for immunity to EMF by conforming to standard EN 61000-6-2.
3. Global Supply Chain
Dual Sourcing: Our critical components, like IGBTs and capacitors, are dual sourced from Infineon and Vishay to mitigate against backlogs.Conclusion
The solis s6 29.9-50kw three phase inverter defines efficiency and scalability for large solar projects. ISO-certified production, strong grid compliance, and unmatched support provide unparalleled value for wholesale customers. Whether you are deploying a 500kW farm or a multi-MW utility plant, this inverter provides long run profitability and reliability for your project. Contact our sales team now for bulk pricing, customization options, and regional compliance documentation.
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Product Parameters
| DATASHEET | S6-EH3P(29.9-50)K-H | |||
| Models | 29.9K | 30K | 40K | 50K |
| Input DC (PV side) | ||||
| Recommended max. PV array size | 59.8 kW | 60 kW | 80 kW | 100 kW |
| Max. usable PV input power | 59.8 kW | 60 kW | 80 kW | 96 kW |
| Max. input voltage | 1000 V | |||
| Rated voltage | 600 V | |||
| Start-up voltage | 180 V | |||
| MPPT voltage range | 150 - 850 V | |||
| Max. input current | 40 A / 40 A / 40 A | 4 × 40 A | ||
| Max. short circuit current | 60 A / 60 A / 60 A | 4 × 60 A | ||
| MPPT number / Max. input strings number | 3 / 6 | 4 / 8 | ||
| Battery | ||||
| Battery type | Li-ion | |||
| Battery voltage range | 150 - 800 V | |||
| Max. charge / discharge power | 32.1 kW | 33 kW | 44 kW | 55 kW |
| Max. charge / discharge current | 70 A × 2 (1) | |||
| Number of battery ports | 2 | |||
| Max. charge / discharge power of each input | 32.1 kW | 33 kW | 35 kW | 35 kW |
| Communication | CAN / RS485 | |||
| Output AC (Grid side) | ||||
| Rated output power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Max. apparent output power | 29.9 kVA | 30 kVA | 40 kVA | 50 kVA |
| Rated grid voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | |||
| Rated grid frequency | 50 Hz / 60 Hz | |||
| Rated grid output current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Max. output current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | |||
| THDi | < 3% | |||
| Input AC (Grid side) | ||||
| Max. AC passthrough current | 90.8 A / 86.4 A | 91.2 A / 86.6 A | 121.6 A / 115.4 A | 152 A / 144.4 A |
| Rated input voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | |||
| Rated input frequency | 50 Hz / 60 Hz | |||
| Input Generator | ||||
| Max. input power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Rated input current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| Rated input voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | |||
| Rated input frequency | 50 Hz / 60 Hz | |||
| Output AC (Back-up) | ||||
| Rated output power | 29.9 kW | 30 kW | 40 kW | 50 kW |
| Max. apparent output power | 1.6 times of rated power, 2 s | |||
| Back-up switch time | < 10 ms | |||
| Rated output voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | |||
| Rated frequency | 50 Hz / 60 Hz | |||
| Rated output current | 45.4 A / 43.2 A | 45.6 A / 43.3 A | 60.8 A / 57.7 A | 76 A / 72.2 A |
| THDv (@linear load) | < 2% | |||
| Efficiency | ||||
| Max. efficiency | 97.8% | |||
| EU efficiency | 97.4% | |||
| BAT charged by PV max. efficiency | 98.5% | |||
| BAT charged / discharged to AC max. efficiency | 97.5% | |||
| Protection | ||||
| Anti-islanding protection | Yes | |||
| Output over current protection | Yes | |||
| Short circuit protection | Yes | |||
| Integrated DC switch | Yes | |||
| DC reverse-polarity protection | Yes | |||
| Surge protection | DC Type II / AC Type II | |||
| Integrated AFCI 2.0 | Optional | |||
| General Data | ||||
| Dimensions (W × H × D) | 530 × 880 × 290 mm | |||
| Weight | 73 kg | |||
| Topology | Transformerless | |||
| Self-consumption (night) | < 35 W | |||
| Operating ambient temperature range | -25 ~ +60°C | |||
| Relative humidity | 0 - 100% | |||
| Ingress protection | IP66 | |||
| Cooling concept | Intelligent fan-cooling | |||
| Max. operation altitude | 4000 m | |||
| Grid connection standard | NTS 631/RD 1699/RD 244/UNE 206006/UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, TOR, EIFS 2018.2, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530, MEA, PEA,PORTARIA Nº 140, DE 21 DE MARÇO DE 2022 | |||
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4, EN 55011 | |||
| Features | ||||
| PV connection | MC4 Quick connection plug | |||
| Battery connection | Terminal connector | |||
| AC connection | Terminal Block | |||
| Display | 7.0" LCD display & Bluetooth + APP | |||
| Communication | CAN, RS485, Ethernet, Optional: Wi-Fi, Cellular, LAN | |||







