SMA Sunny Tripower CORE1 50kW Solar Inverter - Three Phase

The SMA Sunny Tripower CORE1 50kW Solar Inverter - Three Phase (STP50-41) is a modular, transformerless string inverter designed for commercial PV installations, offering 50kW rated output with up to 75kW DC input for rooftops, carports, and ground-mount systems.

Product Description

This innovative floor-standing inverter features a unique modular design with accessible connection areas for fast installation and no DC fuses required. It includes integrated SMA ShadeFix for shading management, I-V curve diagnostics, and OptiCool active cooling for maximum yields and reliability.

Key Features

• 6 MPPT trackers: 12 string inputs for optimal performance with shading.
• DC:AC ratio up to 150%: Supports overdimensioned PV arrays.
• Integrated AFCI: Arc-fault circuit interrupter for safety.
• Connectivity: Ethernet, WLAN, Modbus, Speedwire/Webconnect.
• Easy commissioning: No DC fuses, integrated DC disconnector.
• Scalable: Up to MW range with multiple units.

Electrical Specifications

• Rated AC power: 50kW (230V/400V, 50Hz).
• Max. PV input power: 75kW.
• Max. efficiency: 98%.
• MPPT voltage range: 500–800V.
• Max. DC input current: 120A (20A per MPPT).
• Rated AC output current: 72.5A.
• Power factor: Adjustable 0.0 leading to 0.0 lagging.
• THDi: <3%.

Physical Specifications

• Dimensions (W × H × D): 733 × 621 × 569 mm.
• Weight: 84 kg.
• Cooling: OptiCool (forced convection, variable speed fans).
• Noise emission: <65 dB(A).
• Operating temperature: −25°C to +60°C.
• Topology: Transformerless.

System & Application Notes

• Applications: Commercial rooftops, ground-mount, repowering.
• Warranty: 5 years.
• Monitoring: Integrated Wi-Fi, ennexOS platform.
• Certifications: IEC 60068, SunSpec Modbus.