SMA Sunny Tripower 8kW STP8.0-3SE-40 Three-phase HV Hybrid Inverter
Modelo: STP8.0-3SE-40- Sku: SMAINVE031
- Vendor: SMA
Specifications
Product Description
The SMA Sunny Tripower 8kW STP8.0-3SE-40 Three-Phase HV Hybrid Inverter is the “two-in-one” solution that integrates a grid inverter and high-voltage battery manager in a single compact unit. It allows you to generate, use, and store solar energy with maximum reliability, incorporates an automatic battery-backup function to maintain power supply to loads during grid outages, and offers complete connectivity for intelligent self-consumption management. With 8 kW (8 kVA) three-phase output and a maximum efficiency of 98.2%, it is designed for homes and small businesses seeking performance, IP65 safety, and a system ready to grow with electric mobility or heat pumps. :contentReference[oaicite:0]{index=0}
Main Features
- Nominal AC power: 8 kW (8 kVA); IAC,max 3×12.1 A; adjustable cos φ 0.8 ind…0.8 cap. :contentReference[oaicite:1]{index=1}
- 2 MPPT (A: 1 string, B: 2 strings) with MPP range 330–800 V, Voc max. 1000 V; Imax A/B 12.5/25 A, ISC A/B 20/40 A. :contentReference[oaicite:2]{index=2}
- Recommended PV generator: 12 kWp; PDC max per input A/B: 7.2/7.2 kW. :contentReference[oaicite:3]{index=3}
- HV Li-ion battery 150–600 V, max. charge/discharge current 30 A; max. charge/discharge power 10.6/10.6 kW (depending on battery). :contentReference[oaicite:4]{index=4}
- Automatic backup: 3~ power up to 8 kW in island mode; configurable switching 30 ms–10 s; maximum backup load connectable 13.8 kW (3×20 A). :contentReference[oaicite:5]{index=5}
- IP65, −25…+60 °C, 500×598×173 mm, 30 kg, 30 dB(A), convection cooling; SPD Type II on DC and AC, RCMU. :contentReference[oaicite:6]{index=6}
- Connectivity: WiFi/Ethernet (Speedwire), Modbus SMA/SunSpec, RS-485, CAN for battery; commissioning via app and Webconnect. :contentReference[oaicite:7]{index=7}
- Optimization and services: SMA ShadeFix, SMA Smart Connected (proactive monitoring) and dynamic feed-in limit 0–100%. :contentReference[oaicite:8]{index=8}
Advantages or Benefits
- Autonomy and continuity: the integrated backup keeps essential loads running during blackouts, with fast switching and robust three-phase power.
- Higher real production thanks to 98.2% efficiency and ShadeFix/advanced MPP tracking that mitigates partial shading.
- Flexible design: 2 MPPT (A:1 · B:2) to combine orientations and long strings with high-power modules.
- Intelligent management: integration with Sunny Home Manager 2.0 for zero feed-in, load prioritization, and EV charging from surplus.
- Simple installation and maintenance: 30 kg, SUNCLIX/MC4 connectors, web assistant; proactive Smart Connected service.
Purpose or Applications
Ideal for three-phase self-consumption with HV battery in high-demand homes or small businesses with photovoltaic fields up to ~12 kWp. Suitable for east/west roofs, installations with occasional shading, and projects considering integration of charging points or efficient climate control. :contentReference[oaicite:9]{index=9}
Technical Specifications
| Nominal AC power | 8 kW (8 kVA) · 3/N/PE 230/400 V |
| Max. / EU efficiency | 98.2 % / 97.8 % |
| MPPT / strings | 2 · A:1 / B:2 |
| MPP range (Vmp) | 330–800 V · Vmin/Vstart 150/180 V |
| Max. PV Voc | 1000 Vdc |
| Imax / ISC A/B | 12.5/25 A · 20/40 A |
| Recommended PV generator | 12 kWp · Max. PDC A/B 7.2/7.2 kW |
| HV battery | Li-ion 150–600 V · Max. charge/discharge current 30 A · Max. power 10.6/10.6 kW |
| Back-up (island mode) | 3~ 8 kW · switching 30 ms–10 s · max. backup loads 13.8 kW |
| Protections | RCMU, SPD II DC/AC, anti-feed-in, grid and earth fault monitoring |
| Dimensions / weight | 500×598×173 mm / 30 kg · 30 dB(A) · IP65 |
| Communications | WiFi, Ethernet (Speedwire/Webconnect), Modbus (SMA/SunSpec), RS-485, CAN battery |
Compatibilities
Direct compatibility: HV batteries approved by SMA (e.g., SMA Home Storage and BYD Battery-Box Premium HVS/HVM); integration with Sunny Home Manager 2.0 and SMA Energy Meter for zero feed-in and load control; compatible with SMA EV Charger and Sunny Portal/Places ecosystem. :contentReference[oaicite:10]{index=10}
The Sunny Tripower Smart Energy STP8.0-3SE-40 combines power, integrated backup, and HV battery to maximize your self-consumption with the reliability of the SMA ecosystem.
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SMA Sunny Tripower 8kW STP8.0-3SE-40 Three-phase HV Hybrid Inverter





