SMA Sunny Tripower 8.0kW Solar Inverter - Three Phase with Smart Connect

The SMA Sunny Tripower 8.0kW Solar Inverter - Three Phase with Smart Connect (STP8.0-3AV-40) is a lightweight, transformerless three-phase string inverter for residential and small commercial PV systems, featuring dual MPPTs and integrated SMA Smart Connected monitoring service.

Product Description

Weighing just 25kg, this 8kW inverter enables one-person installation and delivers up to 98.1% efficiency. The built-in web interface with WLAN/Ethernet allows fast commissioning via smartphone or tablet, while SMA Smart Connected provides automatic monitoring and proactive fault service.

Key Features

• SMA Smart Connected: Automatic monitoring with fault notifications and fast replacement service.
• Dual MPPT: 2 independent trackers for flexible string design and partial shading (SMA ShadeFix).
• Integrated web interface: WLAN/Ethernet for local setup and diagnostics.
• One-person installation: Lightweight 25kg design with minimal space requirements.
• Future-proof: Ready for energy management and storage expansion.
• Silent operation: Fanless natural convection cooling.

Electrical Specifications

• Rated AC power: 8000 W (3/N/PE 400V, 50Hz).
• Max. apparent AC power: 8000 VA.
• Max. efficiency: 98.1%.
• AC voltage range: 320–520 V.
• Max. AC output current: 12.1 A per phase.
• Max. DC input voltage: 1000 V.
• MPP voltage range: 320–800 V.
• Min. / start-up DC voltage: 125 V / 175 V.
• Max. DC input current (A/B): 20 A / 12 A.
• MPPTs / strings: 2 MPPTs (A: 2 strings, B: 1 string).

Physical Specifications

• Dimensions (W × H × D): 460 × 497 × 176 mm.
• Weight: 25 kg (one-person installation).
• Enclosure rating: IP65 (indoor/outdoor wall-mount).
• Cooling: Natural convection (fanless).
• Display & interface: LEDs plus web UI via WLAN/Ethernet.
• Connections: SUNCLIX DC connectors, AC terminal block, Ethernet/WLAN.

System & Application Notes

• Application: Three-phase residential/small commercial PV systems up to 8kW with future energy management expansion.
• Monitoring: Sunny Portal, SMA Energy App via Smart Connected service.
• Shade management: SMA ShadeFix plus Tigo TS4-R optimiser compatibility.
• Grid compliance: EN 50549-1 and national codes.
• Warranty: 5 years standard (extendable to 10/15/20 years).