Fast detection, active shutdown and permanent monitoring of PV strings – designed for industrial, railway, commercial and demanding rooftop installations.
Technical specifications subject to change. Product in development.
PV systems are a long-term investment – at the same time, high electrical energy is generated on rooftops and across open areas. PYROTEGA® protects these systems by permanently monitoring PV strings and detecting critical conditions such as arc faults, overcurrents and unusual power losses early – before an electrical problem can turn into a fire.
In an emergency, PYROTEGA® disconnects the affected strings from the DC circuit in a flash, significantly reducing the fire load. The rapid shutdown helps prevent damage to the roof, building envelope and surroundings, providing additional safety for operators, emergency services and all persons in the building.
The AI-powered arc fault detection is based on trained models and sets new standards in response time, sensitivity and intelligence. PYROTEGA® combines fast power electronics with smart analysis and thus offers more than conventional protection devices: active, traceable fire protection specifically for modern PV systems.
Multiple safety-relevant functions in one system – deployable as a central shutdown and monitoring unit for PV strings.
AI-based models detect typical and atypical arc fault signatures. Faults are identified early and targeted shutdowns are initiated.
Rapid disconnection of affected PV strings – automatically on fault detection or via a dedicated firefighter interface.
Continuous measurement of currents, voltages and power per PV string for ongoing condition monitoring.
Fault alerts and status data are transmitted directly via the mobile network – even without LAN or WLAN.
Integration into existing control and monitoring systems via WLAN or standard LAN interfaces.
Web UI or app visualizes fault alerts, active shutdowns and historical data for operators and emergency services.
PYROTEGA® is designed to comply with relevant standards in the areas of device safety, fire shutdown and arc fault interruption.
Requirements for the installation of PV systems, including specifications for fire shutdown.
Implementation rules for firefighter interfaces and safe shutdown in case of fire.
Device safety and requirements for arc fault interruption in PV systems.
PYROTEGA® is a safety and monitoring solution for PV systems. It monitors relevant operating conditions, identifies safety-critical deviations and supports a targeted response to detected fault conditions.
At a test rig, we are testing PYROTEGA® units with deliberately induced fault conditions rather than relying solely on simulations. We assess whether the connected units reliably detect each fault, initiate the intended shutdown, and send a clear report. Each fault type is tested at least 100 times. We have also refined and improved the fault messages to make detected events clearer and easier to trace.
Additional functions for condition monitoring and fault analysis have been successfully validated on prototypes. The findings are being incorporated into ongoing product development. Multiple prototypes are already undergoing system-level testing, while central system monitoring continues to be expanded.
The first prototype series of PYROTEGA® has been successfully tested. Results from the safety-related detection and monitoring functions are being incorporated into ongoing product development.
PYROTEGA® cooperates with a research institute to validate safety-related detection and monitoring functions under realistic operating conditions.
The official website is now online. Interested parties can learn more and place a non-binding pre-order.
Technical documentation and information material. Additional documents will be added as development progresses.
PDF · 2 pages · Overview of features and applications
PDF · Background on fire risks and intelligent protection concepts
PDF · 1 page · Voltage ranges, currents and interfaces
PDF · Target compliance with DIN VDE, IEC and VDE-AR
Would you like to deploy PYROTEGA in a project or secure one of the first production units? Send us a non-binding inquiry.
Note: This form does not constitute a binding offer.
Responsible:
timmertechnik GmbH · Johannesstraße 120 · 49477 Ibbenbüren · Germany
and
Sonnen-Stark GmbH · Morsestraße 6 · 48432 Rheine · Germany
E-Mail: info@pyrotega.info
Managing Director timmertechnik GmbH: Robert Timmer
Managing Director Sonnen-Stark GmbH: Bastian Kuhlmann
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