ZYGGOT® THM+ARC
Online Thermography + Ultra Selective Arc Flash Protection System
The ZYGGOT THM+ARC is an innovative and integrated solution from Varixx that combines continuous thermographic monitoring with advanced arc flash protection. Designed for low and medium voltage systems, it delivers high performance, reliability, and safety in a single compact device—optimizing space and increasing the availability of critical assets.
With cutting-edge non-contact thermography and
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The ZYGGOT THM+ARC is an innovative and integrated solution from Varixx that combines continuous thermographic monitoring with advanced arc flash protection. Designed for low and medium voltage systems, it delivers high performance, reliability, and safety in a single compact device—optimizing space and increasing the availability of critical assets.
With cutting-edge non-contact thermography and ultraviolet (UV) arc detection — without the need for current measurement — the ZYGGOT THM+ARC acts both preventively and responsively, detecting thermal faults and arc events quickly and accurately.
Available in Mono and Multi-Gateway versions, the system easily adapts to various industrial architectures, making it ideal for substations, motor control centers (MCCs), data centers, and critical renewable energy installations.
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ZYGGOT THM+ARC combines the best of Thermography and Arc Detection technologies in a single relay, providing robust safety and protection.
Precise monitoring of temperature and voltage in up to 100 sensors
Actuation at less than 250µs in pre-arc phase
Up to 40 gateways allow arc selectivity
Integrated Systems of Continuous Thermographic Monitoring and Arc Detection
Easy connection to SDCD - MODBUS
Ethernet communication and Modbus RTU
200 sensors, combining temperature measurements and arc detection
The system allows you to monitor the supply voltage for up to 200 sensors, combining temperature measurements and arc detection for a wide monitoring coverage. It supports up to 100 arc sensors per relay, providing robust detection, especially useful in high-power systems.Integration between ZYGGOT Arc and Temperature systems
Intelligent combination of online arc flash and temperature sensors provides a comprehensive approach to the diagnosis, protection and safety of critical electrical assets.
Arc Sensors
Online Thermography Sensors
Electric Arc Selectivity
The multi-gateway version allows arc selectivity, independently tripping circuit breakers with a low-cost gateway per compartment and a single trip unit for the entire system, promoting safety and minimizing the impact on interdependent systems. Reduces incident energy by up to 150 times compared to traditional systems, promoting safer and more efficient mitigation.Main features of the system
Benefits
Technical specifications
Outputs
2 outputs for Alarm and Trip (N.O.)
4 Programmable outputs (N.O.)
Power Supply
24 VDC
Inputs
4 Analog
Communication
Modbus RTU
Ethernet
Relative Humidity
5 to 95 ºC
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