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The latest Solis 18kW LV 3-Phase Hybrid Solar Inverter price in Pakistan is Call for Price updated on August 31, 2026.
Product Details:
The Solis 18kW three-phase low-voltage hybrid inverter (S6-EH3P18K02-NV-YD-L) is part of the S6-EH3P(5-18)K02-NV-YD-L series, purpose-built for large residential PV energy storage systems running on low battery voltage (48V). It is compatible with high-power PV panels and a wide variety of lithium and lead-acid battery brands, giving installers broad flexibility when designing and sizing a system.
Beyond core hybrid operation, the series offers a wealth of advanced features – including generator compatibility, UPS-level switching, grid-tied PV system coupling, and support for three-phase unbalanced loads and half-wave loads – helping households easily achieve their zero-carbon energy goals.
Reliable Backup & Powerful Output
With seamless on/off-grid switching in under 10ms the inverter guarantees an uninterrupted power supply, and its 200% overload capability for 10 seconds in off-grid mode ensures the stable startup of motors, water pumps and air conditioners. Support for three-phase unbalanced output means each phase can independently supply demand, and a customizable battery backup level keeps essential loads powered exactly as configured.
Maximised Solar Harvest & Flexible Coupling
Each MPPT supports up to 21A of PV input current, making the inverter ready for future higher-power PV modules, and it accepts PV input up to 160% of its rated DC power to maximise solar utilisation. It supports both DC and AC coupling, making it easy to expand PV, charge batteries and power loads reliably – even in off-grid conditions – and can run PV-only off-grid operation to reduce upfront costs.
Scalable, Generator-Ready & Intelligent
Up to 6 units can be connected in parallel to expand system capacity, and multiple generator connection methods with automatic control enable flexible local deployment and extended backup during outages. Smart load management with prioritisation extends backup time for critical loads, while a 7-inch industrial-grade LCD screen provides a large, user-friendly local interface. Remote control, AI optimisation and instant troubleshooting are handled through SolisCloud, and an IP66 enclosure ensures dependable operation in harsh conditions.
Documents:
Solis 18kW LV 3-Phase Hybrid Solar Inverter Data Sheet.pdf
Global Pamphlet:
Global Battery Compatibility.pdf
User Manual:
Installation Guide:
Input DC (PV side)
| Max. usable PV input power | 28.8 kW |
| Max. input voltage | 1000 V |
| Rated voltage | 550 V |
| Start-up voltage | 160 V |
| MPPT voltage range | 200-850 V |
| Max. input current | 42 A / 42 A |
| Max. short circuit current | 50 A / 50 A |
| MPPT number / Max. input strings number | 2 / 4 |
Battery
| Battery type | Li-ion / Lead-acid |
| Battery voltage range | 40-60 V |
| Max. charge / discharge current | 320 A |
| Number of battery ports | 2 |
| Max. charge / discharge current of each port | 175 A |
| Communication | CAN / RS485 |
Output AC (Grid side)
| Rated output power | 18 kW |
| Max. apparent output power | 18 kVA |
| Rated grid voltage | 3/N/PE, 220 V / 380 V; 3/N/PE, 230 V / 400 V |
| Rated grid frequency | 50 Hz / 60 Hz |
| Rated grid output current | 27.3 A / 26.1 A |
| Power factor | >0.99 (0.8 leading – 0.8 lagging) |
| THDi | <3% |
Input AC (Grid side)
| Max. input current | 41 A / 39.2 A |
Input Generator
| Max. input power | 18 kW |
| Max. input current | 27.3 A / 26.1 A |
| Rated input voltage | 3/N/PE, 220 V / 380 V; 3/N/PE, 230 V / 400 V |
| Rated input frequency | 50 Hz / 60 Hz |
Output AC (Back-up)
| Rated output power | 18 kW |
| Max. apparent output power | 2 times of rated power, 10 s |
| Back-up switch time | <10 ms |
| Rated output voltage | 3/N/PE, 220 V / 380 V; 3/N/PE, 230 V / 400 V |
| Rated frequency | 50 Hz / 60 Hz |
| Rated output current | 27.3 A / 26.1 A |
| Max. Continuous output current | 27.3 A / 26.1 A |
| Max. Continuous AC Passthrough current | 50 A |
| THDv (@linear load) | <3% |
Efficiency
| Max. efficiency | 97.5% |
| EU efficiency | 96.4% |
| BAT charged by PV / AC max. efficiency | 95.0% / 94.4% |
| BAT discharged to AC max. efficiency | 94.5% |
Protection
| Anti-islanding protection | Yes |
| Output over current protection | Yes |
| Short circuit protection | Yes |
| DC reverse-polarity protection | Yes |
| Surge protection | DC Type II / AC Type II (Optional) |
| Protection class / Over voltage category | I / II (PV and BAT), III (MAINS and BACKUP and GEN) |
| Integrated AFCI 2.0 | Optional |
| Integrated DC switch | Yes |
General Data
| Max. power per phase | 40% rated power |
| Dimensions (W*H*D) | 430 x 660 x 305 mm |
| Weight | 42 kg |
| Topology | Non-isolated |
| Self-consumption (night) | <30 W |
| Operating ambient temperature range | -25 ~ +60°C |
| Ingress protection | IP66 |
| Cooling concept | Intelligent fan-cooling |
| Max. operation altitude | 4000 m |
| Grid connection standard | EN 50549-1/-10, VDE 4105 & VDE 0124, NRS 097-2-1, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530, EN 50438L, CEI 0-21 |
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 |
Features
| DC connection | MC4 Quick connection plug (PV) & Screw terminal (Battery) |
| AC connection | Screw terminal |
| Display | 7.0″ LCD display & Bluetooth + APP |
| Communication | CAN, RS485, Ethernet, Optional: Wi-Fi, Cellular, LAN |
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