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| Code: | 100-217 |
| Model: | 40KW SUN‐40K‐G03 |
| Product warranty (months): | 120 |
| Brand: | Deye |
k-g03._2__.png?w=900 "4041-sun-(30-50)k-g03._2__")
Description
The Deye SUN-40K-G03 is a 40 kW commercial three-phase grid-tied string inverter designed for pure solar energy generation without battery storage. Built for medium-to-large commercial and industrial PV plants, it features 4 independent MPPT trackers supporting up to 8 string inputs to handle multi-angle roofs, varied array tilts, and partial shading conditions.Delivering up to 98.7% conversion efficiency, it incorporates intelligent string monitoring, integrated Type II AC/DC surge arresters, smart fan cooling, and zero-export control for safe, low-maintenance power production.
Key Features & Benefits
4 Independent MPPT Trackers:Features 4 MPP trackers (2 strings per MPPT) to optimize yield on roofs with multiple pitch angles or orientations.
High Generation Efficiency:Reaches up to 98.7% maximum efficiency (98.1% European efficiency) to minimize power transmission losses.
Wide MPPT Operating Range:Operates across a wide voltage range of 200V–850V with a low 250V startup voltage, maximizing daily generation hours.
Integrated Type II Surge Protection: Built-in DC and AC Type II surge protection devices (SPD) shield sensitive internal components from grid transients and lightning surges.
Anti-PID & Smart Air Cooling:Includes Anti-PID features to prevent PV panel degradation and smart forced-air cooling for reliable operation under high ambient temperatures.
Zero Export Compliance: Integrated power management supports zero-injection grid compliance when paired with an external energy meter or CTs.
Technical Specifications
| Parameter | Specification |
| Rated AC Output Active Power | 40,000 W (Max. AC Apparent Power: 44,000 VA) |
| Max. DC Input Power | 52,000 W |
| Max. DC Input Voltage | 1000 V |
| Start-up DC Voltage | 250 V |
| MPPT Operating Voltage Range | 200 V – 850 V |
| Max. Operating DC Input Current | 160 A (40 A × 4 MPPTs) |
| No. of MPPTs / Strings per MPPT | 4 / 2+2+2+2 (8 total inputs) |
| Max. Efficiency | 98.7% (Euro Efficiency: 98.1%) |
| Nominal AC Grid Voltage / Frequency | 220 V / 380 V, 230 V / 400 V (3L/N/PE) / 50 Hz / 60 Hz |
| Enclosure Protection Rating | IP65 |
| Dimensions (W x H x D) | ~647.5 × 537 × 303.5 mm |
| Weight | ~44.5 kg |
| Communication Interfaces | RS485 / RS232 / Wi-Fi / LAN / GPRS / 4G |
| Phase |
Phase
3 |
| Power AC Out |
PowerAcOut
40000 |
| P |
Weight
55,5 |
| Internal article group |
Internal article group
deye_3ph_CI |
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k-g03._2__.png "4041-sun-(30-50)k-g03._2__")