
Solis S5-GR3P8K-DC-METER MPPT 3 phase 8.0kW Inverter
S5-GR3P8K-DC
Solis S5-GR3P8K-DC-METER 8kW 3-Phase Inverter – Dual MPPT Design for Efficient Residential & Commercial Solar Systems
The Solis S5-GR3P8K-DC-METER is a high-efficiency 8kW three-phase inverter ideal for residential, small industrial, and commercial PV installations. With a compact footprint, dual MPPT inputs, and wide voltage operating range, it delivers reliable performance with flexible array configurations and low installation costs.
- High Efficiency Output: Reaches up to 98.7% efficiency with >150% DC/AC ratio for increased system productivity.
- Dual MPPT Architecture: Two MPPTs allow flexible array orientation and maximum energy harvest.
- Robust Grid Support: AFCI protection, export power control, and voltage stabilisation for weak grid applications.
- Compact, Installer-Friendly Design: Integrated DC switch and small form factor for easy installation and low maintenance.
- Smart Connectivity: Compatible with RS485, WiFi, and GPRS for efficient remote monitoring and control.
Technical Specification
- Rated Output Power: 8kW
- Max. PV Input Power: 12kW
- MPPT Voltage Range: 160–1000V, 2 MPPT inputs
- Ingress Protection: IP66
- Dimensions & Weight: 310 x 563 x 219 mm, 17.8kg
✅ Choose the Solis S5-GR3P8K-DC-METER for compact, efficient, and intelligent energy conversion in 3-phase PV systems!

Product | MPPT Inverter |
Type | Dual MPPT |
Nominal Power Output | 8.0 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.