Sunny Tripower X US-50

The Sunny Tripower X US-50 is an SMA family of three-phase PV string inverters. It covers the STP 13-US-50, STP 20-US-50, STP 25-US-50 and STP 30-US-50. The STP 13-US-50 model is the 208 V version. The current operating manual applies to the STP 13-US-50 from firmware 3.14.22.R. It applies to the 20, 25 and 30 kW models from firmware 03.06.15.R. The STP 20-US-50, 25-US-50 and 30-US-50 can act as the SMA System Manager from firmware 03.02.07.R. The manual shows a system with a 30-US as System Manager and one energy meter. SMA's online manual for this family includes sections on Modbus, grid management services, grid types, LED signals, ground-fault checks, manual firmware updates and troubleshooting.

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• sentence 1: support check: partial - The four models are listed as a family, but 'three-phase' and 'PV string inverters' are not stated (only 'Inverter'/'PV inverter').
• sentence 1: review: partial - The passages list the four models under Sunny Tripower X and call it an inverter, but they never say it is three-phase or a PV string inverter. -->