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Q3 ENERGIE - Feuerwehrschalter, DC- und AC-Anschlusstechnik - sichere Anschlusstechnik für Photovoltaik Anlagen


PV Connection Technology & Safety Solutions Products

PV firefighter switches QFire BIG and LITE, generator junction boxes, system-specific DC combiners, and AC/DC boxes for professional photovoltaic systems

PV Firefighter Switch QFire BIG Product →
DC Junction Boxes GAK →
AC Junction Boxes →
Retrofittable Transformer Box →
PV Connection Technology - Firefighter Switches, GAK, AC-DC Boxes
QFire Feuerwehrschalter Photovoltaik Variante BIG kundenspezifisch

QFire BIG
Firefighter Switch

QFire firefighter switch photovoltaic variant BIG customer-specific

DC-side string disconnection according to IEC 60947-3.
Central, cascadable disconnection system for larger PV systems.

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QFire Feuerwehrschalter Photovoltaik Variante LITE standardisierte wirtschaftliche Loesung

QFire LITE
Firefighter Switch

QFire firefighter switch photovoltaic variant LITE standardized economical solution

Compact string disconnection according to IEC 60947-3 for smaller PV systems. Standardized cost-effective solution.

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GAK mit Überspannungsschutz DC Anschlusstechnik kundenspezifisch für x MPP Tracker optional mit Sicherungen, DC Freischalter

DC
Connection Technology

Generator junction box with surge protection DC connection technology customer-specific for x MPP trackers optional with fuses, DC disconnectors

System-specific generator junction boxes (GAK) for bundling, protection, and distribution of PV strings.

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Super Multi Box DC Combiner für Freifeld und Agri PV mit Zentralwechselrichter - patentierte Lösung inklusive PV String Fehler Diskriminator und Feuerwehrschalter. Kundenspezifisch gebaut.

DC Combiner Super Multi Box

Super Multi Box DC combiner for ground-mounted and agri-PV with central inverter - patented solution including PV string fault discriminator and firefighter switch. Custom-built.

Intelligent DC combiner box with string monitoring and fault discriminator for agri-PV and large-scale systems with central inverters.

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GAK LITE Generatoranschlusskasten

Q3 Standard
GAK LITE

GAK LITE generator junction box

Standardized generator junction boxes for PV strings. Compact, cost-efficient solution for smaller systems.

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AC Box AC Anschlusstechnik mit Überspannungsschutz und NH Trenner 250 A TN-C

AC
Connection Technology

AC box AC connection technology with surge protection and NH disconnector 250 A TN-C

AC junction boxes for inverters, feed-in points, and grid connections.
Individually designed.

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Die neue Mess- und Kommunikationsbox ist eine anschlussfertige Lösung zur Digitalisierung von Trafostationen im Niederspannungsbereich.

Q3
Transformer Box

The new measurement and communication box is a ready-to-connect solution for digitalization of transformer stations in the low-voltage range.

Retrofittable measurement and communication boxes for transformer stations and grid monitoring. Acquisition of grid and system data.

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Heimspeicher Großspeicher Gewerbespeicher

Alpha ESS Energy Storage

Home storage Commercial storage Large-scale storage

Intelligent storage solutions – from home storage to commercial and large-scale storage systems with Alpha ESS technology.

Go to Alpha ESS Storage Systems →

Select the appropriate product to access technical details, available variants, and project-specific inquiries.


Standardized and Project-Specific Designs


Series products for typical applications as well as customer-specific connection technology for deviating electrical, regulatory, or structural requirements.


Design, Engineering, and Manufacturing in Germany


Planning, electrical design, assembly, and installation at the Kaufbeuren location – short coordination paths and high variant flexibility.


Technically Structured
Inquiry Processes


Product-specific inquiry forms for capturing all relevant electrical and project-related parameters as the basis for fast and reliable quotation preparation.