SMA SUNNY BOY SE 4.0
SMA SUNNY BOY SE 4.0
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SMA Sunny Boy SE 4.0
The SMA Sunny Boy SE 4.0 is a compact and powerful single-phase inverter designed for residential solar panel installations. Thanks to its low DC input voltage, this model supports ultra-short string configurations, simplifying installation and reducing costs. With three independent MPP trackers, the Sunny Boy SE 4.0 delivers maximum flexibility and optimal yields, even in shade or fluctuating light conditions.
Key Features
Key Features
The inverter is equipped with modern communication options such as WLAN, Ethernet, CAN, and RS485, ensuring seamless monitoring and integration. With a robust IP65 protection rating and passive cooling, it is suitable for both indoor and outdoor use.
The model offers an AC output of 4.0 kW, an input voltage range of 60 to 480 V DC, and a single-phase AC connection. Weighing 17.5 kilograms and measuring 500 by 586 by 236 millimeters, the Sunny Boy SE 4.0 is easy to install and reliable in operation.

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I found the best price at SmartEnergyDeals. They also arranged for an installer. I chose a 21 kW system. They were very attentive throughout the entire process, from quote to delivery, and even rescheduling the delivery date went smoothly. In short, a reliable partner for a competitive price.
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