3-Phase Grid-Tie Solar Inverter 20kW IP65 | SMA Sunny Tripower X
£1,637.00
Sale price
£1,637.00
Regular price
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3-Phase Grid-Tie Solar Inverter 20kW IP65 | SMA Sunny Tripower X
£1,637.00
Sale price
£1,637.00
Regular price
Shipping calculated at checkout.
STP20-50
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Description
The SMA Sunny Tripower X 20kW is a three phase grid tie inverter built for commercial PV systems and large residential installations. It runs three independent MPP trackers, accepts up to 1000VDC on the input side, and sits in an IP65 enclosure suitable for outdoor mounting. An integrated system manager adds monitoring and control across multiple inverters without extra hardware.
Grid tie inverter key features
- Rated output, 20kW AC at 230V, 50Hz
- MPP trackers, three independent trackers
- Input voltage, up to 1000VDC maximum, 345 to 800V MPP range
- Current per tracker, 24A maximum usable input current
- Efficiency, 98.2% maximum, 97.9% European efficiency
- Enclosure, IP65 rated for outdoor installation
Built-in system functions
SMA ShadeFix improves yield during partial shading by optimising at the inverter level, without module-level optimisers. SMA ArcFix provides active DC arc-fault detection. The integrated system manager can monitor and control up to five SMA inverters plus one energy meter, handling dynamic power control and feed-in management for systems up to 135kVA. Communication runs over Ethernet, local WLAN, or RS485, using SMA Modbus and SunSpec Modbus protocols, with direct access to Sunny Portal via ennexOS for remote monitoring.
Product family
This 20kW model shares its platform and footprint with the 12kW, 15kW, and 25kW variants in the Sunny Tripower X range. The three MPP trackers give independent string management, which helps on roofs with mixed orientations or shading.
Applications
Suited to commercial rooftop and ground-mounted PV, large residential solar arrays, multi-inverter sites needing centralised monitoring, and installations with partial shading or several roof aspects.
Installation notes
Installation must be carried out by a qualified electrical engineer or MCS-accredited solar installer. Connection at this power level requires G99 notification and DNO approval in the UK. DC wiring, string fusing, AC protection and earthing must follow IET Wiring Regulations and SMA's installation manual, with commissioning completed via SMA's commissioning tools before the system is switched on.
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.