Solis 25kW S6-GC3P25K03-NV-ND Three Phase On-Grid Inverter – Overview
The Solis 25kW S6-GC3P25K03-NV-ND Three Phase On-Grid Inverter is a high-performance, commercial-grade grid-tied solution from the advanced S6 Series, engineered for utility-scale PV projects and large commercial installations. It features a 37.5kW recommended max PV array size, 3 MPPT trackers with up to 42A per MPPT, and a peak efficiency of 98.5%. With a >150% DC/AC ratio, an integrated Arc-Fault Circuit Interrupter (AFCI), and IP66 C5 anti-corrosion protection, this inverter delivers exceptional yield, safety, and durability for demanding solar applications in Bangladesh.
Key Benefits
- 25kW rated output power with a maximum apparent output of 25kVA.
- 37.5kW recommended max PV array size with >150% DC/AC ratio for higher yields.
- 3 MPPT trackers with up to 42A per MPPT, compatible with high-power modules.
- 98.5% maximum efficiency and 98.0% EU efficiency for maximum energy harvest.
- Integrated Arc-Fault Circuit Interrupter (AFCI) for enhanced DC safety.
- IP66 ingress protection with C5 anti-corrosion level for harsh environments.
- Dual independent RS485 ports for communication with multiple devices.
- 24-hour load consumption monitoring for intelligent energy management.
- Adaptive weak grid support for stable operation in challenging grid conditions.
- Smart control and monitoring via Bluetooth and SolisCloud App.
- Integrated DC switch for safe and easy maintenance.
- Compact design (355 × 625 × 250 mm) with lightweight 25.3 kg build.
- 5-Year Official Warranty (extendable to 20 years).
This grid-tied inverter is suitable for solar panels and is designed to build a dependable three-phase on-grid solar energy system for commercial and utility-scale use.
Technical Specifications
| Parameter |
Value |
| Input DC (PV side) |
| Recommended max. PV power |
37.5 kW |
| Max. input voltage |
1100 V |
| Rated voltage |
600 V |
| Start-up voltage |
180 V |
| MPPT voltage range |
180 – 1000 V |
| Max. input current |
42 A / 42 A / 42 A |
| Max. short circuit current |
52.5 A / 52.5 A / 52.5 A |
| MPPT number / Max. input strings number |
3 / 6 |
| Output AC |
| Rated output power |
25 kW |
| Max. apparent output power |
25 kVA |
| Max. output power |
25 kW |
| Rated grid voltage |
3/N/PE, 220 V / 380 V, 230 V / 400 V |
| Rated grid frequency |
50 Hz / 60 Hz |
| Rated grid output current |
38.0 A / 36.1 A |
| Max. output current |
38.0 A / 36.1 A |
| Power factor |
> 0.99 (0.8 leading – 0.8 lagging) |
| THDi |
< 3% |
| Efficiency |
| Max. efficiency |
98.5% |
| EU efficiency |
98.0% |
| Protection |
| DC reverse-polarity protection |
Yes |
| Short circuit protection |
Yes |
| Output over current protection |
Yes |
| Surge protection |
Yes |
| Grid monitoring |
Yes |
| Anti-islanding protection |
Yes |
| Temperature protection |
Yes |
| Strings monitoring |
Yes |
| I/V Curve scanning |
Yes |
| Multi peak scan |
Yes |
| Integrated AFCI 2.0 |
Optional |
| Integrated DC switch |
Yes |
| General Data |
| Dimensions (W × H × D) |
355 × 625 × 250 mm |
| Weight |
25.3 kg |
| Topology |
Transformerless |
| Self-consumption (night) |
< 1 W |
| Operating ambient temperature range |
-25 – +60°C |
| Relative humidity |
0 – 100% |
| Ingress protection |
IP66 |
| Noise emission (typical) |
≤ 55 dB(A) |
| Cooling concept |
Intelligent fan-cooling |
| Max. operation altitude |
4000 m |
| Grid connection standard |
G98 or G99, VDE-AR-N 4105/VDE V 0124, EN 50549-1, VDE 0126/UTE C 15/VFR:2019, RD 1699/RD 244/UNE 206006/UNE 206007-1, CEI 0-21, C10/11, NRS 097-2-1, TOR, EIFS 2018.2, IEC 62116, IEC 61727, IEC60068, IEC 61683, EN 50530 |
| Safety / EMC standard |
IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 |
| Features |
| DC connection |
MC4 connector |
| AC connection |
OT terminal |
| Display |
LED indicator & Bluetooth + APP |
| Communication |
RS485, Optional: Wi-Fi, GPRS |
| Warranty |
5 years (extendable to 20 years) |
Ports & Interface Details
- PV Input: MC4 connectors (3 MPPT trackers, 6 strings).
- AC Output: OT terminals for Grid connection (3/N/PE).
- Communication: 16-pin COM port for RS485 (Meter/Logger/DRM), USB COM port for datalogging stick.
- Other: DC switch, LED indicators, Bluetooth antenna port.
Intelligent Energy Management
- Dual RS485 Ports: Enables simultaneous communication with smart meters and third-party monitoring devices.
- 24-Hour Load Monitoring: Tracks whole-day load consumption data (requires Solis smart meter/sensor and monitoring system).
- Adaptive Weak Grid: Ensures stable and continuous power generation even in fluctuating or weak grid conditions.
- Export Power Management (EPM): Supports zero-export or limited export power control via smart meter or CT sensor.
- Multi-Peak Scanning: Optimizes PV yield under partial shading conditions by scanning for multiple maximum power points.
- I/V Curve Scanning: Provides detailed diagnostics for PV string performance.
Installation & Scalability
The Solis S6-GC3P25K03-NV-ND is designed for compact and flexible installation with dimensions of 355 × 625 × 250 mm and a weight of 25.3 kg. It features IP66 ingress protection and a C5 anti-corrosion rating, making it suitable for outdoor installation even in harsh environments. The inverter operates efficiently in temperatures ranging from -25°C to +60°C. For optimal heat dissipation, ensure a minimum clearance of 500mm on all sides and the bottom. The unit supports daisy-chain communication for multiple inverter monitoring via RS485.
SolisCloud App Monitoring
- Real-Time Data: Monitor PV generation, grid export, and load consumption from anywhere.
- Smart Diagnosis: Receive detailed alarm codes and troubleshooting suggestions directly on your phone.
- Quick Commissioning: Step-by-step guidance for installers to set up the system quickly via Bluetooth.
- Plant Management: Create and manage multiple plants under one account, view historical yield data, and generate reports.
- Firmware Updates: Remotely upgrade inverter software to ensure optimal performance and access to new features.
- Parameter Configuration: Adjust grid codes, export limits, and power settings remotely.
Frequently Asked Questions (FAQ)
Q1. What is the rated output power of the Solis S6-GC3P25K03-NV-ND?
The rated output power is 25kW, with a maximum apparent output power of 25kVA.
Q2. What is the maximum PV input power?
The recommended max PV array size is 37.5kW, supporting a >150% DC/AC ratio.
Q3. What is the maximum efficiency?
The maximum efficiency is 98.5%, with a European efficiency of 98.0%.
Q4. How many MPPT trackers does it have?
It has 3 MPPT trackers with 6 input strings (Max input current: 42A per MPPT).
Q5. What is the DC input voltage range?
The max DC input voltage is 1100V, with an MPPT voltage range of 180 – 1000V.
Q6. What is the ingress protection rating?
It has an IP66 rating and a C5 anti-corrosion level, suitable for harsh outdoor environments.
Q7. What is the operating temperature range?
The operating ambient temperature range is -25°C to +60°C.
Q8. Does it have AFCI?
Yes, it features an integrated Arc-Fault Circuit Interrupter (AFCI) for enhanced DC safety.
Q9. What communication options are available?
It features dual RS485 ports, Bluetooth, and optional Wi-Fi or GPRS for remote monitoring.
Q10. What is the weight and dimensions?
The inverter weighs 25.3 kg and has dimensions of 355 × 625 × 250 mm.
Q11. Does it support zero export?
Yes, it supports Export Power Management (EPM) for zero-export or limited export via a smart meter or CT sensor.
Q12. Is it suitable for weak grids?
Yes, it features adaptive weak grid support for stable operation.
Q13. What is the maximum operating altitude?
The maximum operating altitude is 4000m.
Q14. Does it come with a built-in DC switch?
Yes, it has an integrated DC switch for safe maintenance and isolation.
Q15. What warranty does it have?
It comes with a 5-year official warranty, extendable to 20 years.
Download Datasheet | Download User Manual | For manufacturer details, see the official page: Solis 25kW S6-GC3P25K03-NV-ND
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