The DS 20KW Hybrid Inverter delivers industrial-grade efficiency with 98.1% max conversion efficiency, featuring dual MPPT trackers (200-850V range) and 200-800V high-voltage battery compatibility for commercial and large-scale residential solar systems. Engineered for maximum energy autonomy, it seamlessly switches to backup power in <10ms during outages while optimizing self-consumption with intelligent energy management.
Key Advantages:
3-Phase 230/400V Output – Supports heavy-duty equipment and unbalanced loads (110% tolerance)
30KW PV Input Capacity – Dual MPPT with 32A/string for high-yield solar harvesting
22KW Surge Power (60s) – Handles motor startups and peak demands
Smart Battery Integration – Works with 200-800V Li-ion batteries (50A charge/discharge)
IP66 Rated Enclosure – Dustproof/waterproof for harsh outdoor installations
Real-Time Monitoring – OLED display + optional WiFi/LAN for remote energy analytics
Advanced Protection & Reliability:
Integrated surge/overload/short-circuit protection
Anti-islanding and grid-compliance certified
Smart fan cooling for -30°C to 60°C operation
Spec Highlights:
Euro Efficiency: 97.3%
MPPT Efficiency: 99.9%
Warranty: 5 years (extendable to 20 years)
Technical Data
| Model | STH-20KTL-HT | |
| PV Input | Max. Input Power (W) | 30,000 |
| Start-up Voltage (V) | 190 | |
| Max. DC Input Voltage (V) | 1,000 | |
| Rated DC Input Voltage (V) | 620 | |
| MPPT Voltage Range (V) | 200-850 | |
| Number of MPPT Trackers | 2 | |
| Number of DC Inputs per MPPT | 2 | |
| Max. Input Current (A) | 32/32 | |
| Max. Short-circuit Current (A) | 40/40 | |
| Battery | Communication Mode | CAN / RS485 |
| Voltage Range (V) | 200-800 | |
| Max. Charge/Discharge Current (A) | 50/50 | |
| Rated Current of Built-in Fuse (A) | 125 | |
| AC Output | Rated Output Power (W) | 20,000 |
| Max. Output Power (W) | 22,000 | |
| AC Output Rated Apparent Power (VA) | 20,000 | |
| Max. Input Apparent Power (VA) | 30,000 | |
| Grid Type | 3L/N/PE, 230(400)V | |
| Rated AC Frequency (Hz) | 50/60 | |
| AC Output Rated Current (A) | 29 | |
| Max. Output Current (A) | 33.3 | |
| Power Factor | 0.8 leading...0.8 lagging | |
| THDi @ Rated Power | <3% | |
| DCI | <0.5%in | |
| Backup Output | Rated Apparent Power (VA) | 20,000 |
| Max. Apparent Power (VA) | 22,000 | |
| Rated Current (A) | 29 | |
| Max. Output Current (A) | 33.3 | |
| UPS Switching Time (ms) | <10 | |
| Efficiency | Max. Efficiency | 98.10% |
| Euro Efficiency | 97.30% | |
| MPPT Efficiency | 99.90% | |
| Battery Charging Conversion Efficiency | 97.20% | |
| Battery Discharge Conversion Efficiency | 97.20% | |
| Protection | DC Reverse Polarity Protection | Integrated |
| Battery Input Reverse Connection Protection | Integrated | |
| Insulation Resistance Detection | Integrated | |
| DC Switch | Optional | |
| Surge Protection | Integrated | |
| Over-temperature Protection | Integrated | |
| Residual Current Protection | Integrated | |
| Anti-islanding Protection | Integrated | |
| AC Over-voltage Protection | Integrated | |
| Overload Protection | Integrated | |
| AC Short-circuit Protection | Integrated | |
| General Data | Over Voltage Category | PV: II, Main: III |
| Dimensions [W×H×D] (mm) | 640×490×290 | |
| Weight (kg) | 48 | |
| Protection Degree | IP66 | |
| Self-consumption at Night (W) | <15 | |
| Topology | Transformerless | |
| Operating Temperature (°C) | -30~60 | |
| Relative Humidity | 0~100% | |
| Operating Altitude (m) | 3,000 (derating) | |
| Cooling | Smart Fan Cooling | |
| Noise Level (dB) | <50 | |
| Display | OLED & LED | |
| Communication | WiFi/LAN (Optional) | |
Hot Tags: 20kw high-voltage hybrid inverter, China, suppliers, manufacturers, factory, made in China
