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SKU: STP20-50
The SMA Sunny Tripower X 20kW Solar Inverter - Three Phase delivers exceptional efficiency with up to 98.7% performance, ideal for medium to large solar installations. Its compact design simplifies installation, while integrated communication options facilitate easy monitoring, making it a reliable choice for maximising solar energy potential.
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The SMA Sunny Tripower X 20kW is a three-phase grid-tied solar inverter for PV systems. It is designed for DC-to-AC conversion in rooftop and residential-scale solar installations, with three MPP trackers, IP65 protection and integrated ShadeFix and ArcFix functions.
3 / 3-(N)-PE AC connection with nominal voltage options including 230 V / 400 V for three-phase PV systems.
Three independent MPP trackers with two strings per tracker to support array design flexibility.
MPP voltage range of 340 V to 800 V, maximum input voltage of 1000 V and maximum input current of 24 A per MPP tracker.
ShadeFix is included for partial shading conditions, and ArcFix provides arc-fault detection with feed-in shutdown.
Ingress protection to IP65 for installation in outdoor or protected environments.
STP 20-50 rated power is 20,000 W with rated apparent power of 20,000 VA. Maximum PV array power is 30,000 Wp (STC). DC input specifications include 1000 V maximum input voltage, 340 V to 800 V MPP range, 150 V minimum input voltage and 188 V initial input voltage. AC output is three-phase with rated output current of 29 A and maximum output current of 36.6 A. Maximum efficiency is 98.3% and European efficiency is 97.9%.
Wall mounting. DC connection via SUNCLIX and AC connection via spring-cage terminal. IP65 enclosure supports outdoor or protected-environment installation. Operating temperature range is -25°C to +60°C.
Maximum efficiency is 98.3% and European efficiency is 97.9%. ShadeFix is included for yield optimisation under partial shading.
Weight (kg)
40.5
Manufacturer
SMA Solar
Built in DC
Yes
Commodity Code
8504408490
Communication
Wi-Fi, Ethernet , Optional: RS485
Nominal Voltage (V)
400.00
Dimensions (mm) (H x W x D)
880 x 400 x 800
AC Power (kW)
20000.00
Max Current (A)
36.6
No. of MPPT
3
Off-Grid Compatible
1
Phases
3 Phase
Start Up Voltage (V)
188
Max Voltage (V)
1000
Inverter Type
String
IP Rating
IP65
Max PV Power (kW)
30000
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