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True PV Safety. Integrated.


eBOS solutions

What’s in it for you?

Effective DC wiring

eBOS - The Lifelines of a PV system

eBOS stands for electrical Balance Of Systems. This comprises the entire collection of electrical components that combine individual module outputs to match the electrical input requirement of the inverter. All electrical components of the DC side of the system except the inverter and module form the eBOS application. As the lifelines of a PV system, the eBOS system ensures that the power generated by the modules is gathered and transferred efficiently, reliably and safely.

True PV Safety. Integrated.

Stäubli offers high-quality components for the DC wiring system throughout the entire electrical PV supply chain. But it doesn't stop there. Our team of Stäubli experts brings their extensive knowledge and expertise to the table, helping you optimize the DC wiring design in your PV system. With years of experience in connecting PV systems reliably and safely, our training and consultancy services ensure the best possible outcome for any type of PV system.

Quality products + expert consulting = TCO optimized solution

Expert know-how for enhanced optimized DC wiring

Optimizing the combination of DC strings and selecting the right products for the DC wiring is key to designing an efficient PV system.

With our over 25 years of experience in the PV industry and the expert knowledge gained from numerous customer projects, we consult you in designing the best-fitting solution. Our objective is a cabling concept that:

  • minimizes losses,
  • achieves the highest performance,
  • facilitates O&M activities and
  • decreases related costs.

The combination of off-shelf and customized MTO (made to order) product solutions aims at reducing installation time and effort.

"For a 100 MW PV installation there are around 250,000 connectors
on-site and approximately 600 km of wiring."

Jeff Wang, Business Development Manager
Stäubli Renewable Energy North America

What’s in it for you?

Adaptable for flexibility

  • A modular cabling concept allows for flexibility in exchanging components when a replacement would be needed.
  • The modularity of the Stäubli eBOS offerings facilitates modifications during the entire PV system lifecycle in case of extensions or changes to the PV plant.







Time and cost saving

  • Optimized design concepts can reduce the number of components used, which means less material and lower initial costs (optimized CAPEX).
  • Ready-to-use product design and customized cable harness can speed-up installation time, improve installation quality and reduce potential failure risks for lower TCO (total cost of ownership).                                                                                                                                                                                                                                                                                                                                                    

Proven long-term performance

  • Certified product safety meets the relevant industry standards, proven by TÜV Rheinland and/or UL certificates granting safe and reliable performance.
  • Best-in-class manufacturing expertise for advanced material processing and highest insulation performance granting long product lifetime and harsh environment compliance.
  • Overall system performance of the solution is improved thanks to lower drop voltage with a cable design at the earliest project phase.

The unmatched quality – all from one single source

All Stäubli eBOS components are based on the most installed and trusted PV connector in Stäubli quality:

The Original MC4

Designed and engineered with Swiss precision craftsmanship, there’s only one original MC4 – and it’s made by Stäubli.



Gain the trust of investors and build the foundation for long-term economic growth.



Stäubli Renewable Energy

Stäubli offers a strong, trustworthy base for today's challenges in solar power generation to allow for PV projects to become reliable and efficient.

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