Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of solis s6 15-30kw inverter in China, also supports customized service. Welcome to buy advanced solis s6 15-30kw inverter in stock from our factory.
Why choose Us?
As a manufacturer fully integrated within our sector, we offer our wholesale clients a technical support network that goes beyond our products, Service regions around the world include commissioning review training centers where installation, tested certification, are taught to minimize commissioning errors and improve first-attempt installation success rates. Technical support teams focus on wholesale customers and we respond to inquiries within four business hours and achieve a 95% first contact resolution. Our partnerships also include collaboration on synchronized production schedules using forecasting tools that take distributor stock levels into account, which eliminates stock shortages and lowers wholesale partners' inventory costs. Industry surveys consistently document our distributor satisfaction 92% or higher, which demonstrates our commitment to positive relationships over transactions. This inverter provides retailers and installers a reliable piece of equipment and a manufacturer of dependable equipment and installation. It is a profitable investment that provides efficiency and satisfaction, and it is operationally solid throughout the lifecycle of the product.
Product description
what is
Solis S6 15-30KW Inverter?
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The Solis S6 15-30KW Inverter is a marvel in the field of electronic engineering for commercial solar systems. For more than 15 years, we have manufactured the most reliable products in the industry in their respective classes. This inverter has been engineered to yield reliable results over an extended period of time regardless of the environmental conditions. Its robust construction and innovative design distinguish it as one of the best products for residential and commercial fast growing applications. This inverter will offer users the freedom to operate independently from the grid and to support the grid in ways that most utility companies require.
Features of Solis S6 15-30KW Inverter
- • Supports flexible PV connection through DC and AC coupling for retrofitting and expanding
- • Supports battery reserve function in multiple scenarios
- • Smart Load Prioritizing – Extending support for critical loads
- • SmartLoad/GEN/INV port - Flexible connection of multiple energy sources such as Grid-tied inverter, diesel generator, wind turbines, etc.
- • Seamless on grid/off grid switching time 6 pcs recommend Solis power distribution cabinet
- • Usable PV power up to 200% inverter rated power, to improve the utilization of PV generation
- • Supports max 20A PV input current, perfect match for high power PV modules
- • Compatible with 100-280Ah battery modules
- • Supports faster charging with battery current up to 140A
- • Powerful backup overload capability – 160% overload
- • Supports a wide power range of generator connections from 6kVA to 30kVA
- • Supports 2 independent battery connections for flexible configuration
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advantages of Solis S6 15-30KW Inverter
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Key Features for Wholesale Customers
Wholesale partners recognize immediate value in this Solis S6 15-30KW Inverter's modular architecture and comprehensive compatibility profile. Our open-platform design facilitates integration with many battery technologies through established communication protocols, in contrast to proprietary solutions that lead to vendor lock-in. Distributors can offer tailored solutions to their installer networks while maintaining simplified inventory thanks to this flexibility. In comparison to traditional methods, field data from more than 1,200 installations shows a 30% decrease in installation time, which immediately increases contractor profitability.
Grid compliance is yet another important factor to take into account. In order to ensure that firmware and hardware designs take regulatory changes into account, our engineering staff continues to actively participate in international standards committees. A major source of frustration for EPC contractors, this proactive technique avoids expensive project delays during utility interconnection permits. Distributors claim that for commercial projects needing intricate grid compliance documentation, this innovative design improves their competitive bidding position by 25%.
Technical Reliability & Performance
The remarkable performance constancy of this inverter is continuously validated by independent laboratory testing conducted by globally renowned certifying agencies. In areas with severe weather, the thermal management system's ability to operate steadily across wide temperature variations without derating is crucial. When compared to industry averages, accelerated lifecycle testing dramatically lowers field failure rates by demonstrating component dependability exceeding 98% during simulated ten-year operational periods.
Dynamic reactive power regulation and sophisticated ride-through functionality that satisfies international grid code standards are two of the inverter's grid-support features. These features actively improve system reliability during grid disruptions while optimizing energy harvest during ideal conditions; they are more than just compliance checks. Installers and distributors should feel secure about long-term system performance since real-world performance data from utility-scale installations shows 99.2% uptime over three years.
Installation & Service Advantages
The Solis S6 15-30KW Inverter's service-oriented design characteristics, which decrease downtime and lower maintenance costs, are highly valued by professional installers. Compared to monolithic designs, the modular structure reduces maintenance time by about 40% by enabling field technicians to replace specific components without removing the entire device. 65% of service concerns are answered through digital support without the need for on-site visits thanks to comprehensive diagnostic capabilities that facilitate remote troubleshooting.
The physical design incorporates installer feedback collected from over 8,000 certified professionals globally. Color-coded terminals, tool-free access panels, and intuitive mounting systems reduce installation errors while accelerating commissioning processes. Built-in communication systems provide real-time performance data accessible through mobile applications, enabling proactive maintenance scheduling and reducing emergency service calls by 35% according to distributor service records.

Manufacturing Excellence
Supply chain resilience and manufacturing stability are highly valued by wholesale clients. Strategic component stockpiling procedures and redundant production lines are used in our ISO 9001, ISO 14001, and ISO 45001-certified manufacturing facilities. During recent disruptions in the global supply chain, our infrastructure maintained 98.7% on-time delivery performance, guaranteeing distributors could fulfill project deadlines without inventory shortages.
Vertical integration of critical subsystems provides significant quality control advantages. Power conversion modules are manufactured in-house using automated precision equipment that maintains tolerances exceeding industry standards. This approach enables rapid design iterations based on field performance data while maintaining consistent quality across production batches. Our annual production capacity exceeds 10 gigawatts, providing scalability that supports distributor growth objectives without compromising delivery commitments.

Quality Assurance & Testing
Every inverter undergoes comprehensive validation protocols exceeding industry norms. 100% automated functional testing combined with minimum 48-hour aging processes ensures consistent performance before shipment. Environmental stress testing includes thermal cycling from -40°C to +85°C and vibration analysis simulating transportation and operational conditions. These rigorous procedures result in field failure rates below 0.8% annually, significantly outperforming industry benchmarks.
At crucial assembly stages, our quality management solution combines AI-assisted optical inspection with real-time production monitoring. While traceability technologies allow for the quick detection of any possible problems, statistical process control ensures component consistency during production runs of millions of units. Our quality indicators are regularly validated by third-party audits carried out by top certification organizations, which offer independent confirmation of manufacturing excellence.



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product parameters
| DATASHEET | S6-EH3P(15-30)K-H-LV-ND | |||
| Models | 15K | 20K | 25K | 30K |
| Input DC (PV side) | ||||
| Recommended max. PV array size | 30 kW | 40 kW | 50 kW | 60 kW |
| Max. usable PV input power | 30 kW | 40 kW | 50 kW | 60 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 | |||
| Max. short circuit current | 60 A / 60 A / 60 A | |||
| MPPT number / Max. input strings number | 3 / 6 | |||
| Battery | ||||
| Battery type | Li-ion | |||
| Battery voltage range | 150 - 800 V | |||
| Max. charge / discharge power | 16.5 kW | 22 kW | 27.5 kW | 33 kW |
| Max. charge / discharge current | 70 A × 2 (1) | |||
| Number of battery ports | 2 | |||
| Max. charge / discharge power of each input | 16.5 kW | 22 kW | 27.5 kW | 33kW |
| Communication | CAN / RS485 | |||
| Output AC (Grid side) | ||||
| Rated output power | 15 kW | 20 kW | 25 kW | 30 kW |
| Max. apparent output power | 15 kW | 20 kW | 25 kW | 30 kVA |
| Rated grid voltage | 3/(N)/PE, 220 V, 230 V | |||
| Rated grid frequency | 50 Hz / 60 Hz | |||
| Rated grid output current | 39.4 A / 37.7 A | 52.5 A / 50.2 A | 65.6 A / 62.8 A | 78.7 A / 75.3 A |
| Max. output current | 39.4 A / 37.7 A | 52.5 A / 50.2 A | 65.6 A / 62.8 A | 78.7 A / 75.3 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | |||
| THDi | < 3% | |||
| Input AC (Grid side) | ||||
| Max. AC passthrough current | 78.8 A / 75.4 A | 105 A / 100.4 A | 131.2 A / 125.6 A | 152 A / 152 A |
| Rated input voltage | 3/(N)/PE, 220 V, 230 V | |||
| Rated input frequency | 50 Hz / 60 Hz | |||
| Input Generator | ||||
| Max. input power | 15 kW | 20 kW | 25 kW | 30 kW |
| Rated input current | 39.4 A / 37.7 A | 52.5 A / 50.2 A | 65.6 A / 62.8 A | 78.7 A / 75.3 A |
| Rated input voltage | 3/(N)/PE, 220 V, 230 V | |||
| Rated input frequency | 50 Hz / 60 Hz | |||
| Output AC (Back-up) | ||||
| Rated output power | 15 kW | 20 kW | 25 kW | 30 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, 230 V | |||
| Rated frequency | 50 Hz / 60 Hz | |||
| Rated output current | 39.4 A / 37.7 A | 52.5 A / 50.2 A | 65.6 A / 62.8 A | 78.7 A / 75.3 A |
| THDv (@linear load) | < 2% | |||
| Efficiency | ||||
| Max. efficiency | 96.3% | |||
| EU efficiency | 95.5% | |||
| BAT charged by PV max. efficiency | 97.4% | |||
| BAT charged / discharged to AC max. efficiency | 95.8% | |||
| 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 | G99, VDE-AR-N 4105/VDE V 0124, EN 50549-1/EN 50549-10, VDE 0126/UTE C 15/VFR:2019, 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 | LED indicator & Bluetooth + APP | |||
| Communication | CAN, RS485, Ethernet, Optional: Wi-Fi, Cellular, LAN | |||








