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The HISbox product family comprises DC and AC combiner boxes for photovoltaic systems of every scale. From residential to commercial & industrial through to utility-scale projects, HIS offers suitable solutions for combining DC strings and distributing AC power.
For PV systems of any size: Designed for projects from residential and commercial & industrial to utility scale.
DC combiner boxes combine PV strings on the DC side and integrate protection and switching functions. Optionally available with monitoring.
AC combiner boxes bundle the AC power of multiple string inverters – ready to connect and configured to project requirements.
Modular & scalable
Modularly configurable for different requirements and power ranges and scalable from residential and commercial & industrial to utility scale.
Integrable
Seamless integration into existing plant concepts and compatibility with all common inverter systems – for maximum planning freedom and safe system integration.
Reliable
High-quality components, controlled supply chains and sound consulting for consistent quality and reliable project implementation.
 "Oliver Glenz")
"Perfectly matched components are the basis of every reliable PV system – that is exactly what HIS stands for."
To the tailored PV solutionOur customers and partners
DC combiner boxes
HISbox DC combiner boxes safely bundle PV strings and create a clear, protected DC infrastructure. Modularly configurable and expandable for reliable operation at any plant size.
„HIS combines experience, expertise and openness to new technologies. Our HISbox DC combiner boxes create structure, protection and transparency on the DC side and fit precisely into the plant concept.“
Targeted shutdown of individual DC segments for plannable service operations. Simplified maintenance and faster troubleshooting in the event of faults.
AC combiner boxes
HISbox AC combiner boxes bundle the power of multiple string inverters into a clear, safe AC structure. Integrated switching and protection functions reduce installation complexity and create reliable feed-in points even with large inverter clusters.
„AC infrastructure becomes robust when power bundling, protection and a clean system structure work together. That is exactly what HIS develops the HISbox AC combiner for: reduced installation complexity and high availability even for large plants.“
Bundles multiple inverter outputs at a defined AC distribution point and ensures a structured, service-friendly AC connection.
25 years of experience for tailored PV solutions
HIS stands for technical PV expertise built on over 25 years of experience in development, manufacturing and implementation. A personal contact accompanies you from planning to implementation and tailors the solution precisely to requirements, standards and plant layout. Reliable processes and proven quality ensure solutions that work in practice.
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