

GoodWe 20kW SDT G3 Inverter with 2 MPPT DC & AFCI
£797.67 Original price was: £797.67.£664.73Current price is: £664.73. Ex. VAT
The GoodWe 20kW SDT G3 inverter features 2 MPPTs, AFCI, and 150% DC oversizing for three-phase residential and commercial use. It offers 98.6% efficiency and supports 22A DC input current per string.
11 in stock
The GoodWe SDT G3 Series, with a power range of 4-30 kW, is specifically engineered to cater to the energy needs of three-phase residential and small commercial projects. The inverter boasts an impressive 150% DC oversizing and 110% AC overloading capabilities, allowing for maximum performance and output even in challenging environments. In addition, the SDT G3 Series inverter’s lightweight and easy-to-install design offers exceptional convenience for operators and installers alike.
Key Features
- 24/7 load consumption monitoring
- Elegant and compact design
- Max. 22A DC input current per string
- Optional Type II SPD on both AC and DC sides
- Optional AFCI
- Optional Type II SPD on DC & AC sides
- Export power limit
Superb Safety & Reliability
With optional AFCI, the inverter detects arc fault failures, sends alarms through monitoring systems, and breaks the circuit. Optional Type II Surge Protection Device (SPD) on both sides guards against lightning and other hazards.
Smart Control & Monitoring
Users can enjoy smart energy management with 24-hour load consumption monitoring enabled by GoodWe’s smart meter. Thanks to the integrated export power limit, SDT G3 Series can adapt to the power limit imposed by the local energy provider.
Optimal Generation
It offers a high maximum input current of 22A per string, ensuring robust performance and efficient energy conversion. Notably, it boasts a substantial 150% DC input oversizing capacity, optimizing energy capture under varying conditions. With a strong focus on efficiency, it achieves a maximum efficiency rating of 98.6%, making it a reliable choice for solar energy applications.
| Model | GW20K-SDT-30 |
|---|---|
| Max. Input Voltage (V): | 1100.0 |
| Max. Input Current per MPPT (A): | 32/22 |
| Number of MPP trackers/Number of Strings per MPPT: | 2/2-1 |
| Weight (kg) : | 18.8 |
| Nominal Output Voltage (V) : | 220/380, 230/400, 240/415, 3L/N/PE or 3L/PE |
| Brand | GoodWe |
|---|---|
| Inverter Type | Inverter |
| Inverter Rating | 20kW |
| Number of Phases | Three Phase |
| No. MPPTs | 2 |
Only logged in customers who have purchased this product may leave a review.

Shipping & Delivery
We offer multiple shipping & delivery options for all our products. Simply enter your postcode in the cart or checkout, and any relevant shipping charges will be automatically calculated. When you get to the checkout page, you will be able to select your chosen delivery day and if you need it, delivery time too.
Options available
- Next day (standard) available for all orders placed by 12pm
- AM - 08:00 - 13:00
- AM - before 10:30
- PM - 12:00 - 18:00
Most of our products will be shipped on a pallet by one of our trusted courier partners. You must be present at the delivery address in order to receive and sign for your goods.




























Reviews
There are no reviews yet.