Secure Connection Technology for Photovoltaics and Energy Storage
Technical Safety and Connection Solutions for Photovoltaic and Storage Projects – developed for planners, installers, and operators.
Which photovoltaic connection technology suits your PV project?
From firefighter switches to DC and AC connection technology and individual special solutions – choose the right entry point for your project!
PV Safety
PV Firefighter Switches
Safe DC disconnection of PV systems. Standard-compliant according to IEC 60947-3 and galvanically isolating.
DC Infrastructure
DC Connection Technology
Generator junction boxes and DC distributors for clean string bundling and standard-compliant system integration.
AC Grid Connection
AC Connection Technology
AC connection boxes and transfer points for secure feed-in and standard-compliant grid connection.
Further Solutions for Energy and Grid Infrastructure
Supplementary systems for grid monitoring and energy storage – suitable for existing systems, infrastructure projects, and autonomous applications.
Grid and Station Technology
Transformer Box
Retrofit monitoring of transformer stations for grid-relevant condition monitoring.
Energy Storage
Storage Solutions
Self-consumption optimization, load management, and secure energy supply.
Development & Innovation
System Solutions
From electronics development to IoT and Smart City applications to autonomous supply systems.
Proven Solutions in Use
From commercial rooftops to large-scale plants and infrastructure projects – our photovoltaic connection technology is in use in real projects.
PV Safety Solution for Commercial Project in Styria
Customized QFire fire protection solution for maximum system availability.
Rappold & Partner
QFire and GAK for Germany’s largest PVT system
Technical safety and connection technology for IKEA Waltersdorf.
Solarstep gmbh
Central and Decentralized Disconnection with FACP Connection
Individual safety solution for industrial applications.
e.systeme21 gmbh
Why Q3 ENERGIE?
Technically sound solutions for photovoltaics, firefighter switches, DC connection technology for photovoltaics, AC connection technology, energy storage, and grid infrastructure – developed for real-world requirements.
Developed & Manufactured in Germany
In-house development and production for photovoltaic and energy systems – short distances, high quality, and technical control.
Standard-compliant & Tested System Technology
Firefighter switches, generator junction boxes, and protection technology according to current standards like IEC 60947-3 – for maximum operational safety.
Customized System Solutions
Individual AC and DC connection technology for specific requirements of installers, planners, and EPCs.
Technical Project Support
From design and string planning to the integration of protection and monitoring technology – technically supported, not just delivered.
Practical Experience from Real Large-Scale PV Projects
Experience from large-scale PV systems, commercial storage, and grid-relevant energy projects – from planning to commissioning.
Personal Contact Person
Direct support from experienced contacts with technical understanding – fast, reliable, and practical.
16
Years of Experience
1314
realized customized solutions
Knowledge, Technology, and Documents
Technical information, standards, FAQs, training, and downloads concerning firefighter switches, PV safety, and photovoltaic connection technology.
Are firefighter switches mandatory for PV systems?
Normative bases, requirements, and practical classification for the safe disconnection of photovoltaic systems.
FAQ on Firefighter Switches for PV Systems
Answers to frequently asked technical questions about function, standards, integration, and design.
Technical Online Training Firefighter Switch QFire
Technical know-how for planners, installers, and specialized companies – explained practically.
Technical Downloads & Data Sheets
Data sheets, technical documents, and documentation for planning and implementation.
Project planned? Let’s talk.
Whether firefighter switches, AC/DC photovoltaic connection technology, energy storage, or special solutions – we support you from technical assessment to suitable implementation.
Project Inquiry
Are you planning a new project and need a technical solution or product design?
Technical Inquiry
Do you have questions about standards, design, planning, or integration of existing systems?
Service & Support
Do you need support for existing systems, commissioning, or technical clarification?
Since 2010, Q3 ENERGIE has been developing and manufacturing technical system solutions for photovoltaic connection technology, energy storage, and grid infrastructure – Made in Germany. From firefighter switches to AC and DC connection technology, generator junction boxes, transformer station monitoring, and customized special solutions, Q3 creates practical systems for safe, efficient, and standard-compliant energy projects.
With its own development, in-house manufacturing, and many years of project experience, Q3 supports installers, specialist planners, EPCs, and operators in implementing demanding PV, storage, and hybrid systems.