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ZYGGOT® THM+ARC

Continuos Thermograpic Monitoring + Ultraviolet Arc Flash Mitigation

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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Integrated system for continuous online thermography and arc detection (24/7) Up to 100 sensors for precise temperature monitoring Supports up to 40 interconnected gateways, allowing arc selectivity Easy connection to SDCS - MODBUS Supports up to 100 arc sensors per gateway, totaling up to 4,000 sensors per system Ethernet communication and Modbus RTU

ZYGGOT THM+ARC combines the best of Thermography and Arc Detection technologies in a single relay, providing robust safety and protection.
Up to 4,100 integrated temperature and arc sensors
The system combines continuous thermographic monitoring with ultra-fast arc detection, supporting up to 100 temperature sensors per system and 100 arc sensors per gateway — for a total of up to 4,000 arc sensors. A scalable and robust solution for comprehensive monitoring and advanced protection, especially 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
High-efficiency sensors, designed to accurately and quickly detect the occurrence of electrical arcs.
Online Thermography Sensors
High-efficiency sensors for low and medium voltage assets, designed to monitor the temperature of electrical panels, minimizing failures and the risk of overheating.
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
Scalability and Modularity The capacity for up to 40 connected gateways allows adaptation to panels of different sizes and complexities.
Arc Selectivity with Multi-Gateways UV arc detection sensors (ZGA1R) can be connected to up to 40 gateways, limited to 100 sensors each per system.
Advanced Interface More than 200 screens guarantee complete and intuitive access to the Zyggot relay, facilitating real-time configuration, monitoring and analysis.
Integration with SDCD Centralizes monitoring and simplifies maintenance via integration with the DCS.
Compact Design ZYGGOT THM ARC optimizes panel space by integrating temperature monitoring and arc protection into a single unit.
Fastest arc actuation on the market Acts in less than 260µs (microseconds)
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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