Hybrid Inverter HV SMA Sunny Boy Smart Energy 4kW SBSE4.0-50 Single-phase

Product description

The SMA Sunny Boy Smart Energy 4kW SBSE4.0-50 HV Hybrid Inverter Monophase is the natural evolution for homes seeking more self-consumption power with a high-voltage battery. This unit combines an on-grid inverter and battery charger in a single IP65 chassis, with 3 MPPT trackers for maximum design flexibility, SMA ShadeFix shadow management, and ArcFix/AFCI protection. Its maximum efficiency of 97.5%, fast charge/discharge at 30 A, and comprehensive connectivity (WLAN/Ethernet, Webconnect, and Modbus SunSpec) ensure a reliable, safe, and easy-to-monitor system. It includes a 3.68 kW emergency output Secure Power Supply and can be expanded with automatic backup function (with additional hardware) to keep your home powered during grid outages.

Main features

• Nominal AC power: 4 kW (4 kVA), 230 V; nominal/max. current: 17.4 A/20 A.
• PV inputs: 3 MPPT (A/B/C) with 1 string per MPPT; A+B can be paralleled; MPP range 60–480 V; max. Voc 600 V.
• Input current: 15 A usable per MPPT; max. Isc 30 A per MPPT (sum ≤ 60 A).
• HV battery: 90–500 V; 30 A/30 A charge/discharge; max. charging power 10 kW; max. discharging power 4.2 kW.
• Max. efficiency 97,5 % (EU 96.8%); cos φ = 1 with adjustment 0.8 ind…0.8 cap.
• Enclosure IP65, fanless (convection), −25…+60 °C; dimensions 500×586×236 mm; 17.5 kg.
• Communications: WLAN, Ethernet/Speedwire, Webconnect, Modbus (SMA/SunSpec), RS-485, BAT-CAN; 2 Ethernet ports.
• Recommended PV generator: up to 8.0 kWp total.

Main features

• True autonomy: combines photovoltaic and HV battery to cover night-time consumption and peaks, with discharge up to 4.2 kW.
• Roof flexibility: 3 independent MPPTs (A/B/C) and low start-up voltage to orient strings east/west or south.
• Guaranteed continuity: SPS 3.68 kW (manual) and option for automatic backup with the corresponding hardware version.
• Intelligent management: integration with Sunny Home Manager 2.0 for zero feed-in, load scheduling, and e-mobility.
• Silence and durability: fanless design, IP65, outdoor-grade materials, and less maintenance.

Purpose or applications

Intended for single-family homes and small businesses with medium demands seeking a 4 kW HV hybrid inverter capable of operating with generators up to 8 kWp and managing high-voltage batteries with great speed. It is perfect for self-consumption systems with feed-in control, integration of heat pumps, and electric vehicle chargers through the SMA ecosystem.

Technical specifications

Compatibilities

Direct compatibility: HV SMA Home Storage batteries and other approved models; Sunny Home Manager 2.0 and SMA Energy Meter for feed-in control and load management; integration with SMA EV Charger and climate control solutions (SG-Ready).

Accessories (not included): DC/AC Type II protections, weatherproof enclosures, SUNCLIX cabling, Modbus/SunSpec meters, and backup module/hardware when applicable.

With its high efficiency, 3 MPPTs, and 4.2 kW discharge, the SMA Sunny Boy Smart Energy 4kW SBSE4.0-50 HV Hybrid Inverter Single-phase allows you to make the leap to high-voltage battery self-consumption with control, safety, and maximum utilization of solar energy.