When downtime is not an option and every kilowatt matters, trust the REFUpower 120K-50H to deliver more than just backup power. Engineered for Commercial & Industrial (C&I) applications, it doesn’t just store energy — it powers possibilities.
Built for Today’s Industrial Challenges
The Smart Choice for Industrial Energy Storage
The REFUpower 120K-50H is your one-stop energy storage solution for microgrids, standalone systems, and sector coupling projects. It enables dynamic tariff management, investment deferral through peak shaving, and seamless replacement of diesel generator systems. Whether you’re operating in manufacturing, logistics, or critical infrastructure, we ensure your energy is always under control.
REFUsol 50K-4T
50 kW string inverter for high-performance C&I PV systems
The REFUsol 50K-4T is a compact string inverter designed for commercial and industrial PV systems as well as repowering projects. With 4 MPP trackers, it enables flexible string design and stable energy yields even in demanding system layouts.
Its robust design with optional AFCI and integrated DC surge protection ensures reliable operation. In combination with REFUview, the inverter can be seamlessly integrated into both new and existing systems.
Technical advantages and applications
Maximum flexibility
4 independent MPP trackers
Flexible string design
Suitable for complex C&I systems
High power density
50 kW output power
150% DC/AC oversizing
Max. efficiency up to 98.8%
Reliable operation
IP65 protection class
Operating temperature up to +60°C
Robust design for demanding environments
Advanced features
Integrated DC switch
DC surge protection Type I + II
AFCI (optional) for arc fault protection
The performance and flexibility of the REFUsol 50K-4T are proven in numerous C&I and repowering PV projects → View references
Technical data at a glance
All technical specifications, connection data, and operating parameters can be found in the datasheet.
Der REFUsol 50K-4T lässt sich einfach in neue und bestehende PV-Systeme integrieren. In Kombination mit REFUlink und REFUview ermöglicht er eine zuverlässige Überwachung und flexible Steuerung von C&I-Anlagen.
Monitoring
Real-time monitoring with REFUview Central platform for system overview, performance analysis, and fault diagnostics in real time.
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Control
Power control via REFUlink Active and reactive power control via Modbus TCP/IP, as well as compliance with grid requirements via DRM interfaces.