The Deye SUN-40K-G04 is a state-of-the-art 40 kW three-phase string inverter engineered for medium to large commercial and industrial solar projects. Delivering an outstanding 98.7 % maximum efficiency and 98.1 % European efficiency, it sets the benchmark in energy conversion. With support for zero export and VSG applications, a wide 200–1000 V MPPT range, and optional intelligent string monitoring, it offers unmatched flexibility and precision diagnostics. A comprehensive protection suite, optional anti-PID function, and intelligent air cooling ensure maximum safety and longevity. Featuring IP65 protection, operation from -25 °C to +60 °C, and extensive connectivity (Wi-Fi, GPRS, LAN, etc.), this inverter excels in any environment. Fully compliant with global standards, it guarantees safe, efficient, and future-proof integration worldwide.
Key Advantages
Top Efficiency
98.7 % peak and 98.1 % European efficiency – minimal losses, maximum performance in all conditions.
Versatile Applications
Zero export & VSG capable – perfectly adapts to diverse grid codes and requirements.
Intelligent String Monitoring
Optional per-string monitoring for precise fault detection and optimal maintenance.
Wide MPPT Range
200–1000 V enables flexible system design and maximum yield in varying light conditions.
Full Protection Suite
DC reverse polarity, AC overcurrent/overvoltage/short-circuit, anti-islanding, RCMU, etc.
Optional Anti-PID
Prevents long-term module degradation – ensures sustained high performance.
Rugged IP65 Design
Dust- and waterproof, -25 °C to +60 °C operation – built for outdoor use.
Smart Air Cooling
Efficient thermal management for reliability even in extreme heat.
Full Connectivity
RS485/RS232 standard, Wi-Fi/GPRS/4G/LAN optional – seamless remote monitoring.
Global Certification
VDE-AR-N 4105, G99, CEI 0-21, EN 50549, IEC 61727 etc. – ready for worldwide deployment.
Deye SUN-40K-G04 – The Professional 40 kW String Inverter for Commercial Solar Systems
98.7 % Efficiency · 3 MPPT · IP65 · Smart Cooling · Global Standards
Product Safety Act (German "ProdSG")
Manufacturer: NINGBO DEYE INVERTER TECHNOLOGY Co., LTD
Add: No.26-30, South Yongjiang Road, Beilun, 315806, Ningbo, China
Tel: +86 (0) 574 8622 8957 E-mail: service@deye.com.cn
Responsible importer: SYD Green Energy GmbH & Co. KG
Represented by:
SYD Verwaltungs GmbH
An der Gümpgesbrücke 26
41564 Kaarst
Deutschland
Diese vertreten durch: Andrej Dedic und Maurice Dedic
Tel.: +492131 52811-23
Mail: info@solarset.shop
|
| Parameter | Value |
|---|
| String Inverter Model SUN-40K-G04 |
| PV String Input Data |
| Max. PV Input Power |
52 kW |
| Max. PV Input Voltage |
1100 V |
| Start-up Voltage |
250 V |
| MPPT Voltage Range |
200–1000 V |
| Rated PV Input Voltage |
600 V |
| Max. Operating PV Input Current |
40 + 40 + 40 A |
| Max. Input Short Circuit Current |
60 + 60 + 60 A |
| No. of MPP Trackers / Strings per Tracker |
3 / 3+3+3 |
| AC Output Side |
| Rated AC Output Active Power |
40 kW |
| Max. AC Output Apparent Power |
44 kVA |
| Rated AC Output Current |
60.6 A / 58 A (220 V / 230 V) |
| Max. AC Output Current |
66.7 A / 63.8 A |
| Rated Output Voltage / Range |
220/380 V, 230/400 V (0.85 Un – 1.1 Un) |
| Grid Connection Form |
3L/N/PE |
| Rated Grid Frequency / Range |
50/60 Hz (45–55 Hz / 55–65 Hz) |
| Power Factor Adjustment Range |
0.8 leading – 0.8 lagging |
| Total Harmonic Distortion (THDi) |
< 3 % |
| DC Injection Current |
< 0.5 % In |
| Efficiency |
| Max. Efficiency |
98.7 % |
| Euro Efficiency |
98.1 % |
| MPPT Efficiency |
> 99 % |
| Equipment Protection |
| DC Reverse Polarity Protection |
Yes |
| AC Output Overcurrent / Overvoltage / Short Circuit Protection |
Yes |
| Thermal Protection |
Yes |
| Insulation Impedance / Residual Current Detection |
Yes |
| Anti-Islanding Protection |
Yes |
| Surge Protection |
Type II (DC), Type II (AC) |
| DC Switch |
Yes |
| Arc Fault Circuit Interrupter (AFCI) |
Optional |
| Interface |
| Communication Interface |
RS485/RS232 |
| Monitoring Modes |
GPRS/Wi-Fi/Bluetooth/4G/LAN (optional) |
| General Data |
| Operating Temperature Range |
-25 °C to +60 °C (>45 °C derating) |
| Permissible Ambient Humidity |
0–100 % |
| Permissible Altitude |
4000 m |
| Noise Emission |
< 65 dB |
| Ingress Protection Rating |
IP65 |
| Inverter Topology |
Non-isolated |
| Over Voltage Category |
OVC II (DC), OVC III (AC) |
| Dimensions (W × H × D) |
434 × 570 × 243 mm (excl. connectors) |
| Weight |
39 kg |
| Warranty |
5 years |
| Cooling |
Intelligent air cooling |
| Grid Regulation |
IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE-Richtlinie R25, G99, VDE-AR-N 4105 |
| Safety / EMC |
IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 |
| Model: |
SUN-40K-G04 |
| Start-up Voltage: |
250V |
| Anti-PID Function: |
Optional |
| Warranty: |
5 Years |
