Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of single phase grid tied inverter in China. With abundant experience, we warmly welcome you to wholesale cheap single phase grid tied inverter from our factory. If you have any enquiry about cooperation, please feel free to email us.
Single Phase Grid Tied Inverter
Designed for high-demand residential rooftop installations, our 4th-generation single phase grid tied inverter delivers dependable power conversion across 7.5kW, 8.5kW, and 10kW ratings. Built with up to 3 independent MPPT trackers and a peak efficiency of 97.9%, this on-grid series allows distributors, EPC contractors, and system installers to maximize yield from complex multi-orientation solar arrays.
Engineered to support modern high-power PV panels, each string accepts up to 20A max input current with up to 200% DC oversizing capacity, making it a future-proof foundation for high-performance residential solar systems.
Products Description
Wide Compatibility
· Compatible with mainstream modules
· 20A per string & 200% PV oversizing
Superb Safety & Reliability
· Built-in rapid shutdown transmitter
· AI-driven AFCI 3.0 for safety
Friendly & Thoughtful Design
· Quite operation < 30dB
· Lightweight design for easy installation
Flexible & Adaptable Applications
· Flexible paralleling with GoodWe DNS G4 inverter
· Easy paralleling via smart dongle Ezlink3000
Technical Data
| DT7.5K-MS-G40 | DT8.5K-MS-G40 | DT10K-MS-G40 | DT7.5K-MS-G41 | DT8K-MS-G40 | |
| Input | |||||
| Max. Input Voltage (V) | 600 | ||||
| MPPT Operating Voltage Range (V) | 40~560 | ||||
| Start-up Voltage (V) | 50 | ||||
| Nominal Input Voltage (V) | 360 | ||||
| Max. Input Current per MPPT (A) | 20 | ||||
| Max. Short Circuit Current per MPPT (A) | 26 | ||||
| Number of MPP Trackers | 3 | 3 | 3 | 2 | 2 |
| Number of Strings per MPPT | 1 | ||||
| Output | |||||
| Nominal Output Power (W) | 7500 | 8500 | 10000 | 7500 | 8000 |
| Nominal Output Apparent Power (VA) | 7500 | 8500 | 10000 | 7500 | 8000 |
| Max. AC Active Power (W) | 7500 | 8500 | 10000 | 7500 | 8000 |
| Max. AC Apparent Power (VA) | 7500 | 8500 | 10000 | 7500 | 8000 |
| Nominal Output Voltage (V) | 220 / 230 / 240, L / N / PE | 220 / 230, L / N / PE | |||
| Output Voltage Range (V) | 160 ~ 270(according to local standard) | ||||
| Nominal AC Grid Frequency (Hz) | 50 / 60 | ||||
| AC Grid Frequency Range (Hz) | 45 ~ 55 / 55 ~ 65 | ||||
| Max. Output Current (A) | 34.1 | 38.7 | 45.5 | 34.1 | 36.4 |
| Power Factor | ~1 (Adjustable from 0.8 leading to 0.8 lagging) | ||||
| Max. Total Harmonic Distortion | <3% | ||||
| Efficiency | |||||
| Max. Efficiency | 97.80% | 97.90% | 97.90% | 97.80% | 97.80% |
| European Efficiency | 97.20% | 97.30% | 97.30% | 97.00% | 97.00% |
Advanced Safety & System Paralleling
System protection and operational flexibility are integrated directly into the core design of this single phase grid tied inverter. Standard hardware protections include integrated Type II surge arresters across both DC and AC terminals, PV reverse polarity prevention, insulation resistance detection, and instant anti-islanding defense to ensure long-term grid stability.
For projects requiring strict compliance with modern fire and code safety mandates, optional AI-driven AFCI 3.0 technology actively detects DC arc hazards, while a built-in rapid shutdown transmitter streamlines compliance with international electrical safety regulations. When project demands scale up, the inverter accommodates easy system expansion through multi-unit paralleling using an Ezlink3000 smart dongle, or by integrating seamlessly alongside existing DNS series units on the same network without complex re-wiring.
FAQ
Q: What is the corrosion resistance performance and surface treatment thickness?
A: All aluminum splices undergo clear or black anodization with a minimum film thickness of 10–12 µm (Class II) or 15+ µm (Class I) for harsh environments. All included fasteners are SUS304 (A2-70) stainless steel to prevent galvanic corrosion.
Q: What wind and snow load capacities are these splice kits rated for?
A: When installed according to our structural guidelines, the splice joints are rated to withstand ultimate wind speeds up to 60 m/s (approx. 134 mph) and snow accumulation up to 1.4 kN/m², compliant with AS/NZS 1170, EUROCODE 1, and IBC standards.
Q: How does the splice handle thermal expansion and contraction over time?
A: Our internal slide-in design incorporates expansion gap tolerances (2–3 mm) along long rail runs. This prevents structural warping, roof fastener shearing, or panel micro-cracking caused by ambient temperature fluctuations.
Q: Is grounding/bonding hardware integrated into the splice kit?
A: Yes. Options include integrated stainless steel grounding pins (bonding jumpers) or pre-installed conductive stars that pierce the anodized layer during bolt tightening, ensuring continuous electrical bonding across spliced rails per UL 2703 standards.
Q: Are test reports and structural calculation certifications available for project permitting?
A: Yes. We provide complete technical packages including SGS mechanical tensile/shear test reports, TÜV Rheinland certifications, and engineering calculation sheets stamped by third-party structural engineers for local building authority approvals.
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