Inverters

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0

£ 913.65GBP · price may vary

Model: SB-3.0-1AV-41
Specifications: 13

Power Rating3000W
MPPT Trackers2
PhasesSingle phase
ConnectivityWi-Fi, Ethernet
ConnectionSunclix (solar), Connector (AC)
View all 13 specifications ↓

Overview

Ideal for solar power generation in private homes, these 3.0kW - 6.0kW single phase inverters offer true ease and comfort for PV system operators and installers. Integrated SMA Smart Connected service automatic inverter monitoring by SMA analyzes inverter operation and immediately informs the installer of any irregularities ensuring optimum service and maximum system availability. Extremely light design and external connections allow quick installation and easy commissioning with integrated intuitive webserver. For specific requirements on the roof, SMA ShadeFix maximizes the PV system’s yield and intelligent energy management solutions together with SMA storage solutions can be easily added to the inverter at any time. Features Two MPPT inputs High efficiency of >93% even with low power input Wide operating temperature range (- 25º to + 60ºC ambient) IP65 protection for outdoor installation Safe plug and play installation Commissioning via smartphone or tablet Increased yield without installation effort due to integrated shade management SMA ShadeFix Integrated WLAN (WiFi) and intuitive webserver Automatic monitoring by SMA Proactive information and automatic service Free online monitoring PV system data viewable via smartphone Warranty: 5 years (10 years after registration) with options to extend up to 15 years

Specifications

Power Rating	3000W
MPPT Trackers	2
Phases	Single phase
Connectivity	Wi-Fi, Ethernet
Connection	Sunclix (solar), Connector (AC)
Height	470
Width	435
Depth	176
Weight (kg)	22
Warranty	10*
Certification	G98, G99
IP Rating	IP65
On Grid / Off Grid	On Grid, Off Grid*

What these specifications mean

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 is listed with 13 published specifications from SMA, including power rating of 3000W, MPPT trackers of 2, phases of Single phase and connectivity of Wi-Fi, Ethernet. Those figures are what decide whether this unit fits your system, so read them against the equipment it will connect to before comparing price.

For an inverter, the figures that matter most are peak and weighted (European/CEC) efficiency, typically 96–98.5%, topology — on-grid, off-grid, hybrid or micro, continuous AC output in kW, which caps the load you can run at once and surge or peak rating, which covers the brief inrush of motors and compressors. It is the component that decides what a solar system can do: how much power you can draw at once, whether you can export to the grid, whether the system keeps running in a blackout, and how well the panels and battery are managed day to day.

Choosing an inverter: the checks that matter

The checks below apply to any inverter. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.

Match the battery communication protocol (CAN bus or RS485) between inverter and battery. Compatible voltages are not enough; without a supported protocol the battery management system and inverter cannot agree on charge limits.
Look at the warranty term and what it covers. Five years is the common baseline, ten is offered by stronger brands, and extensions are often cheaper bought with the unit than later.
Size the inverter against the loads you need to run simultaneously, not against the total wattage of every appliance in the building — a 5 kW inverter comfortably runs a fridge, fans, lights and a couple of ACs, but not all of them plus a water pump starting at the same time.
Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.

Common mistakes

Buying on peak-watt price alone. A cheap inverter with a narrow MPPT window forces awkward string layouts and can strand a portion of the array.
Ignoring the ambient temperature rating. Inverters derate in heat, so a unit rated 5 kW at 25 °C may deliver noticeably less on a hot roof-adjacent wall at 45 °C.
Assuming any grid-tie inverter keeps the lights on during an outage. Standard on-grid units shut down for safety unless they have a dedicated backup or islanding output.

Price and availability in United Kingdom

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 is listed at £ 914 (GBP) for United Kingdom. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.

SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in United Kingdom: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports SMA locally before ordering.

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 — frequently asked questions

How much does SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 cost?

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 is listed at £ 914 (GBP) for United Kingdom. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.

What are the specifications of SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0?

We hold 13 published specifications for this inverter, including power rating 3000W, MPPT trackers 2, phases Single phase, connectivity Wi-Fi, Ethernet and connection Sunclix (solar), Connector (AC). The full table is on this page, listed under model SB-3.0-1AV-41.

Who makes SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0?

SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 is a SMA product, listed under inverters with model reference SB-3.0-1AV-41. The SMA brand page lists the rest of its range so you can compare across the catalogue.

Is SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 right for my system?

That depends on what it has to connect to. For an inverter, check peak and weighted (European/CEC) efficiency, typically 96–98.5%, topology — on-grid, off-grid, hybrid or micro and continuous AC output in kW, which caps the load you can run at once against the rest of your equipment before price enters the decision. Look at the warranty term and what it covers. Five years is the common baseline, ten is offered by stronger brands, and extensions are often cheaper bought with the unit than later.

Where can I buy SMA Sunny Boy 3.0 / 3.6 / 4.0 / 5.0 / 6.0 in United Kingdom?

SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in United Kingdom — buying in-channel is what keeps the manufacturer's warranty valid.

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