Sale

SMA Sunny Boy 4kW Single-Phase Solar Inverter SB4.0-1AV-41

Modelo: SB4.0-1AV-41

Sku: SMAINVE012
Vendor: SMA

€930,06 EUR

€744,05 EUR

Tax included.

Shipping calculated at checkout.

In stock!

Spend €150,00 to FREE SHIPPING

SMA Sunny Boy 4kW Single-phase Solar Inverter SB4.0-1AV-41 with 2 MPPT (A/B, 2 strings each), max. efficiency 97%, IP65 and WiFi/Ethernet/Modbus connectivity. Optimal for residential self-consumption up to ~7.5 kWp.

Product variants

Quantity

I agree with the Terms and Conditions.

Purchase with Secure Payment

Specifications

Product Description

The SMA Sunny Boy 4kW Single-Phase Solar Inverter SB4.0-1AV-41 offers the perfect combination of power, design flexibility, and connectivity for residential self-consumption projects. With 4 kW (4 kVA) output, maximum efficiency of 97%, and IP65 enclosure, this transformerless string inverter operates with natural convection, ensuring silent operation and low maintenance. It comes standard with WLAN, Ethernet (Speedwire), Webconnect, and Modbus (SMA/SunSpec), allowing you to monitor and optimize your installation from Sunny Portal and Sunny Places with proactive alerts via the SMA Smart Connected service.

Main Features

Nominal power: 4 kW (4 kVA) single-phase at 230 V; maximum output current ≈ 17.4 A.
Input architecture: 2 independent MPPTs (A/B) with 2 strings per MPPT; maximum input voltage 600 V.
Wide MPP window: ≈150–500 V (Vmp), suitable for strings with different orientations.
Input current: I_max 15 A per input and 15 A per string; permissible I_SC up to 18 A per string.
Efficiency: 97% max. (EU ~96.6%); cos φ = 1 with adjustment 0.8 ind…0.8 cap.
Protection IP65, convection cooling (no fans), and typical noise level < 25 dB.

Advantages or Benefits

More usable energy: high performance and OptiTrac Global Peak shade management to increase daily production.
Great flexibility: dual MPPT with two inputs per tracker to combine roofs with different inclinations or orientations.
Quick installation: 435×470×176 mm, ~17.5 kg, and SUNCLIX connectors; guided commissioning from a browser.
Total monitoring: native connection to Sunny Portal/Places and Smart Connected service with automatic notifications.
Durability: sealed IP65 design and passive cooling for less maintenance and longer service life.

Purpose or Applications

Ideal for single-family homes and small businesses with photovoltaic generators up to ~7.5 kWp seeking to maximize self-consumption, limit grid feed-in when necessary, and have clear data for energy decision-making.

Technical Specifications

Nominal AC power	4 kW (4 kVA) · 230 V
Max. efficiency / EU	97% / ~96.6%
Max. output current	≈ 17.4 A
MPPT / strings	2 MPPT (A/B) · 2 strings per MPPT
MPP range (Vmp)	≈150–500 V
Max. input voltage (Voc)	600 V
I_max / I_SC per string	15 A / 18 A
Topology / cooling	Transformerless / Natural convection
Protection	IP65, RCM and integrated DC/AC protections
Dimensions / weight	435×470×176 mm / ~17.5 kg
Communications	WLAN, Ethernet (Speedwire), Modbus SMA/SunSpec, Webconnect
Noise	< 25 dB(A)
Operating temperature	−40…+60 °C (derating >45 °C)

Compatibilities

Direct compatibility: SMA Energy Meter and Sunny Home Manager 2.0 for feed-in control and self-consumption optimization; monitoring in Sunny Portal/Sunny Places with SMA Smart Connected.

Accessories (not included): TS4-R optimizers, SMA smart plug, type II DC/AC protections, SUNCLIX wiring, and Modbus/SunSpec meters.

Reliable, silent, and highly connectable, the SMA Sunny Boy 4kW Single-Phase Solar Inverter SB4.0-1AV-41 is a safe bet to maximize residential self-consumption with total control and minimal maintenance.