Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of grid-tied solar inverter in China. With abundant experience, we warmly welcome you to wholesale cheap grid-tied solar inverter from our factory. If you have any enquiry about cooperation, please feel free to email us.
for Commercial & Utility PV Projects
Our grid-tied solar inverter series (80–125kW) is designed for high-demand commercial, industrial, and utility-scale photovoltaic systems.
With a transformerless topology, wide MPPT voltage range, and comprehensive grid protection functions, this three-phase solar inverter delivers high efficiency, stable grid connection, and long-term reliability across diverse project environments.
Engineered to meet global grid standards and the practical needs of EPC contractors and solar distributors, this inverter series supports complex PV array designs, harsh outdoor conditions, and large-scale power export requirements.
Covering rated power outputs from 80kW to 125kW, this inverter series supports 1100V DC input, multiple MPPT channels, and advanced monitoring functions, enabling system designers to maximize energy yield while reducing BOS costs.
With IP66 protection, intelligent cooling, and an operating temperature range of –30°C to +60°C, the inverter is suitable for rooftop, ground-mounted, and utility-scale installations in demanding climates.
Innovation, Never Stops
- Master-slave export power control solution, flexible and fast control, support 10 units in parallel
- Dual independent RS485 ports, perfect adaptation to third-party integration
- Supports single and multiple genset applications without the need for an external genset controller
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The industry's first master-slave export power control+ three-phase unbalanced output control, allocate each phase power on demand, and flexibly compatible with various power grids (optional)
| Models | 80K | 100K | 110K | 125K |
| Input DC | ||||
| Max. input voltage | 1100V | |||
| Rated voltage | 600 V | |||
| Start-up voltage | 180 V | |||
| MPPT voltage range | 160 - 1000 V | |||
| Max. input current | 4 × (42 A/36 A) | 5 × (42 A/36 A) | ||
| Max. current per DC input | 4 × (42 A/36 A) | 5 × (42 A/36 A) | ||
| Max. short circuit current | 8 × 50 A | 10 × 50 A | ||
| MPPT number / Max. input strings number | 8/16 | 10/20 | ||
| Output AC | ||||
| Rated output power | 80kW | 100 kW | 110 kW | 125 kW |
| Max. apparent output power | 88 kVA | 110 kVA | 121 kVA | 125 kVA |
| Max. output power | 88 kW | 110 kW | 121 kW | 125 kW |
| 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 | 121.6 A / 115.5 A | 152.0 A / 144.3 A | 167.1 A / 158.8 A | 189.9 A / 180.4 A |
| Max. output current | 133.7 A | 167.1 A | 183.8 A | 189.9 A |
| Power factor | >0.99 (0.8 leading -0.81 lagging) | |||
| THDi | <3% | |||
| Efficiency | ||||
| Max. efficiency | 98.70% | |||
| EU efficiency | 98.30% | |||
| Protection | ||||
| DC reverse-polarity protection | Yes | |||
| Short circuit protection | Yes | |||
| Output over current protection | Yes | |||
| Surge protection | DC Type II / AC Type II | |||
| Grid monitoring | Yes | |||
| Anti-islanding protection | Yes | |||
| Temperature protection | Yes | |||
| Strings monitoring | Yes | |||
| IW Curve scanning | Yes | |||
| Night SVG function | Yes | |||
| Integrated AFCI 2.0 | Optional | |||
| Integrated PID recovery | Optional | |||
| Integrated DC switch | Yes | |||
| Integrated AC switch | Optional | |||
| Integrated EPM function (< 10 device) | Optional | |||
| General Data | ||||
| Dimensions (W × H × D) | 1014 × 567 × 345 mm | |||
| Weight | 93 kg | 96 kg | ||
| Topology | Transformerless | |||
| Self-consumption (night) | <2 W | |||
| Operating ambient temperature range | -30 ~ +60°C | |||
| Relative humidity | 0 - 100% | |||
| Ingress protection | IP66 | |||
| Cooling concept | Intelligent fan-cooling | |||
| Max. operation altitude | 4000 m | |||
| Grid connection standard | G99, IEC61727, EN50549-1/2, VDE4110 | |||
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-2/-4 | |||
| Features | ||||
| DC connection | MC4 connector | |||
| AC connection | OT terminal (max. 240 mm²) | |||
| Display | LCD | |||
| Communication | RS485, Optional: Wi-Fi, GPRS, PLC | |||
AI-Based AFCI for Enhanced Fire Safety
By continuously analyzing high-frequency electrical signal patterns on the DC side, the AFCI system can accurately distinguish dangerous arc faults from normal operational noise. Once an arc fault is detected, the inverter reacts within milliseconds, rapidly interrupting the current to prevent thermal accumulation and potential ignition.
Traditional arc detection systems often suffer from false alarms, leading to unnecessary system shutdowns and reduced energy production.
The AI-driven detection algorithm significantly improves recognition accuracy, minimizing nuisance tripping while maintaining a high level of fire protection. This balance is critical for large-scale commercial installations where downtime directly impacts project revenue.
By integrating intelligent AFCI protection at the inverter level, this grid-tied solar inverter provides project owners, EPCs, and insurers with an additional layer of confidence-protecting assets, ensuring personnel safety, and supporting long-term system reliability.
FAQ
Q: Is this grid-tied solar inverter suitable for commercial and industrial PV projects?
A: Yes. This inverter series is specifically designed for commercial, industrial, and utility-scale applications, covering 80kW to 125kW output power with multi-MPPT architecture and high-voltage DC input up to 1100V.
Q: Which grid standards and certifications does the inverter comply with?
A: The inverter complies with major international standards including IEC 61727, EN 50549, VDE-AR-N 4105/4110, and G99, ensuring compatibility with grid codes in Europe, the UK, and other global markets.
Q: What is the maximum DC input voltage and why does it matter?
A: The maximum DC input voltage is 1100V, which supports modern high-power PV modules and longer string configurations, reducing cable loss and overall system cost in commercial installations.
Q: Can multiple inverters operate together in one project?
A: Yes. The inverter supports a master–slave control architecture, allowing up to 10 units to operate in parallel, enabling scalable system expansion and centralized export power control.
Q: Is the inverter compatible with weak or unbalanced grids?
A: Yes. An optional three-phase unbalanced output control function allows dynamic power allocation across phases, improving stability and compliance in weak or asymmetrical grid environments.
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