
Solis S6-GR1P4K-DC 4.0kW Dual MPPT Inverter
S6-GR1P4K-DC
Solis S6-GR1P4K-DC 4.0kW Dual MPPT Inverter – Smart, Reliable Residential Inverter with Integrated DC Isolator
The Solis S6-GR1P4K-DC is a 4.0kW single-phase inverter designed for residential PV systems, featuring a dual MPPT design with high-precision tracking and wide voltage compatibility. Supporting up to 14A per string, it's well-suited for use with high-efficiency and bifacial modules. This compact unit offers quiet operation, integrated safety features, and seamless grid connectivity.
- Dual MPPT Tracking: Two MPPT inputs with a precise algorithm optimise energy production across variable roof orientations.
- High Performance: Max. efficiency of 97.7% with advanced switching technology for reliable daily output.
- Smart Grid Compliance: Integrated Export Power Manager (EPM) for stable export control and grid integration.
- Built-In Protection: AFCI fire prevention and integrated DC isolator provide added system safety.
- Compact, Lightweight Design: IP66-rated enclosure allows easy installation and long-lasting durability.
Technical Specification
- Rated Output Power: 4kW
- Max. Efficiency: 97.6%
- Max. Input Current: 14A
- Ingress Protection: IP66
- Dimensions & Weight: 310 x 543 x 160 mm, 12kg
✅ Install the Solis S6-GR1P4K-DC for flexible, efficient, and safe solar power in your residential PV system!

Product | MPPT Inverter |
Type | Dual MPPT |
Nominal Power Output | 4.0 kW |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.