Sale

SMA Sunny Tripower 4kW Three-Phase Solar Inverter STP4.0-3AV-40

Modelo: STP4.0-3AV-40

Sku: SMAINVE024
Vendor: SMA

€1.821,94 EUR

€1.457,55 EUR

Tax included.

Shipping calculated at checkout.

In stock!

Spend €150,00 to FREE SHIPPING

Three-Phase Solar Inverter SMA Sunny Tripower 4kW STP4.0-3AV-40 with 2 MPPT and max. efficiency rating of 98.2%, IP65, WiFi/Ethernet/Modbus and Smart Connected. Ideal power for systems up to ~8 kWp.

Product variants

Quantity

I agree with the Terms and Conditions.

Purchase with Secure Payment

Specifications

Product Description

The SMA Sunny Tripower 4kW STP4.0-3AV-40 Three-Phase Solar Inverter is a grid-tied device that offers top-level power, reliability, and connectivity for residential three-phase self-consumption. With 4 kW output, maximum efficiency of 98.2%, and an IP65 enclosure, it ensures stable and silent outdoor operation. Its 2 MPPTs (1 string per tracker) facilitate design on roofs with two orientations, while cloud monitoring and the SMA Smart Connected service provide total performance control and proactive support in case of incidents.

Main Features

Nominal power 4 kW (4 kVA) at 3/N/PE 230/400 V; max output current 3×5.8 A.
2 MPPT with 1 string per MPPT; ideal for combining east/west orientations.
Max efficiency 98.2% (EU ~97.1%) to optimize return on investment.
Wide MPP range (≈175–800 V) and maximum input voltage 850 V.
Integrated communications: WLAN, Ethernet/Speedwire, Modbus (SMA/SunSpec), and Webconnect.
Shade management OptiTrac / ShadeFix; compatible with TS4-R module optimizers.
Transformerless design, convection cooling, lightweight at ~17 kg, and typical noise ~30 dB(A).

Advantages or Benefits

Superior performance: 98.2% efficiency and intelligent MPP tracking to produce more kWh each day.
Maximum reliability: IP65, operation −25…+60 °C, and SMA Smart Connected service with automatic notification.
Quick installation: compact format (435×470×176 mm), SUNCLIX connectors, and web-based startup assistant.
Control and energy management: integration with Sunny Portal/Places and compatibility with SMA meters and managers.
Design flexibility: 2 MPPTs allow optimization of complex roofs without oversizing.

Purpose or Applications

Recommended for homes and SMEs with three-phase supply that need a reliable, efficient, and well-connected SMA 4 kW solar inverter. Suitable for photovoltaic generators up to ~8 kWp, feed-in control, and projects requiring online monitoring and scalability towards storage solutions.

Technical Specifications

Nominal AC power	4 kW (4 kVA) · 3/N/PE 230/400 V
Max efficiency / EU	98.2% / ~97.1%
Max output current	3×5.8 A
MPPT / strings	2 MPPT · 1 string per MPPT
MPP range (Vmp)	≈ 175–800 V · Vmin/Vstart ≈ 125/150 V
Max input voltage (Voc)	850 V
I_max / I_SC per input	12 A / 18 A
Topology / cooling	Transformerless / Natural convection
Protection	IP65, RCM, integrated DC/AC protections
Dimensions / weight	435×470×176 mm / ~17 kg
Typical noise	~30 dB(A)
Operating temperature	−25…+60 °C (derating >45 °C approx.)
Communications	WLAN, Ethernet/Speedwire, Modbus SMA/SunSpec, Webconnect

Compatibilities

Direct compatibility (official): SMA Energy Meter and Sunny Home Manager 2.0 for feed-in control and load management; SMA Smart Connected service; TS4-R optimizers (via gateway/comm).

Compatible accessories (not included): DC/AC Type II protections, SUNCLIX wiring, Modbus/SunSpec meters, SMA smart plugs, and outdoor protection boxes.

With its high 98.2% efficiency, dual MPPT, and digital integration, the SMA Sunny Tripower 4kW STP4.0-3AV-40 Three-Phase Solar Inverter is a top-tier option for three-phase self-consumption installations up to ~8 kWp.