Combiner box

HISbox combiner boxes define safe string merging on an industrial scale. Developed for maximum system availability under the toughest conditions. Certified quality for long-lasting performance.

Robust

Protection against overheating, overvoltage and short circuits - for reliable operation even in harsh environments.

Scalable

Suitable for small to large systems - from commercial solar systems to complex utility-scale projects.

Can be integrated

Seamless adaptation to existing energy infrastructures and compatible with market-leading inverter systems.

Technical data and certifications

  • IP65 (IEC 60529)
  • IEC 61439-1
  • IEC 61439-2
  • EN 61439-2
  • VDE-AR-N 4105:2018-11
  • VDE-AR-N 4110

Two Worlds of Power

The HISbox product family includes DC and AC system solutions for industrial applications. From precise string merging to professional power distribution. Developed to the highest industry standards.

Simple configuration

Item number for the generator connection box
  • Modular design for every system dimension. From the compact residential box to the utility-scale system. Scalable solutions without compromise.

  • High-quality components from renowned manufacturers. Systematic quality control in production. Developed for continuous industrial loads.

  • Standardized interfaces for efficient integration. Compatible with leading inverter systems. Performance through precision.

HIS Article Code Generator (PDF)

"Our combiner boxes combine technical precision with real practicality. Together with our customers, we develop the optimum solution - from compact systems to utility-scale projects."

Oliver Glenz – Key Account Manager

Our customers and partners

"Working with HIS Renewables as a supplier is always straightforward and simple. Very reliable and competent, the contact is always friendly and helpful."

Corinna Wipferl, Purchase - Febesol GmbH

"The cooperation is very positive. The quality of the products and services as well as your reliability completely fulfil our expectations. We appreciate the punctual delivery and, above all, the excellent communication, which contributes to a successful supply chain. We look forward to further cooperation!"

Andreas Wimplinger, Managing Director - Wimplinger Sonnenstrom GmbH

"HIS Renewables and EWS from Handewitt have a long-standing partnership. Solar cables, string boxes and connectors from the HIS range fulfil the strictest quality criteria and thus underline EWS's claim to unite the best brands under one roof."

Stefan Ebert, Sales and Marketing Manager - EWS GmbH & Co. KG

Power delivered

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Sizing of Generator Junction Boxes

When planning large-scale PV systems, the correct dimensioning of generator junction boxes (GAK) is a key decision. While standard solutions are sufficient for many applications, complex projects often require customized configurations. The trick is to recognize when which approach is the right one.

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One system, maximum performance

HISbox generator junction boxes redefine industrial string connection. Discover the other components of the HIS Connect system.

Good connections start with the first contact. When can we get to know you?

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HISCONNECT – Sales