Maximum Efficiency for Higher Energy Output

Achieves up to 99.0% maximum efficiency and 98.7% European weighted efficiency, ensuring superior real-world performance for utility-scale solar installations.

Supports >150% DC/AC ratio, ideal for oversized PV systems and compatible with high-power bifacial modules including 182mm and 210mm cell technologies.

Available with 12 or 16 MPPTs and wide current range (40A/30A per MPPT) to minimize mismatch losses and maximize energy yield across diverse site conditions.

Low start-up voltage and wide MPPT range (480–1500V) enable longer daily power generation and greater energy capture throughout the year.

Smart Monitoring & Easy Maintenance

Features intelligent string-level monitoring and smart I-V curve scanning for real-time diagnostics and system optimization.

Remote firmware upgrades and configuration via RS485 or optional Power Line Communication (PLC) for simplified O&M.

Equipped with Bluetooth and mobile app support, plus integrated LED indicators for convenient on-site or remote access.

Includes nighttime SVG function and built-in PID recovery technology to maintain system health and boost long-term performance.

Durable & Safe Design

IP66-rated enclosure and C5 anti-corrosion protection ensure reliable operation in harsh weather and industrial environments.

Comprehensive safety suite: DC reverse polarity, short circuit, overcurrent, anti-islanding, Type II SPD (DC & AC), and more.

Fuse-free architecture enhances safety and reduces ongoing maintenance costs.

Compact and transformerless design: 134–143 kg, 1186.5 × 954.5 × 467 mm, with efficient fan-based thermal management.

Grid Code Compliance & Global Flexibility

Compliant with major global standards: EN50549, VDE4110, AS4777.2, IEC61727, G99, CEA 2019, and more.

Supports dynamic grid functions such as LVRT/HVRT, reactive power control, and adjustable ramp rate to enhance grid stability.

Optimized for seamless integration into high-voltage and utility-scale solar infrastructures.

Why Choose the DS 350kW Inverter?

Designed for large-scale solar farms and high-capacity commercial rooftops

Delivers industry-leading efficiency, smart diagnostics, and global grid compatibility

Future-ready solution supporting modern PV technologies and system oversizing

A trusted choice to reduce BOS costs and maximize return on investment (ROI)

Technical Data

Models	350K-M12	350K-M16
Input DC
Max. input voltage	1500 V
Rated voltage	1080 V
Start-up voltage	500 V
MPPT voltage range	480-1500 V
Max. input current	12×40 A	16×30 A
Max. short circuit current	12×60 A	16×60 A
MPPT number/Max. input strings	12/24	16/32
Output AC
Rated output power	350 kW
Max. apparent output power	350 kVA
Rated grid voltage	3/PE, 800 V
Grid voltage range	640-920 V
Rated grid frequency	50Hz/60Hz
Max. output current	252.6 A
Power factor	>0.99 (0.8 leading - 0.8 lagging)
THDi	<3%
Efficiency
Max. efficiency	99.00%
EU efficiency	98.70%
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
I/V Curve scanning	Yes
Night time SVG function	Yes
Integrated PID recovery	Yes
Integrated DC switch	Yes
General Data
Dimensions (W×H×D)	1186.5×954.5×467 mm
Weight	134 kg	143 kg
Topology	Transformerless
Self-consumption (night)	<3 W
Operating 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	EN50549, G99, AS47772, VDE0126, IEC61727, VDE4110, CEA2019
Safety/EMC standard	IEC62109-1/-2, EN61000-6-2/-4
Features
DC connection	MC4-EV02 connector
AC connection	OT terminal (max. 400 mm²)
Display	LED indicator & Bluetooth + APP
Communication	RS485, Optional: PLC