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Sensor warns of fires in control panels before they occur

28 January, 2022

Schneider Electric has developed a sensor that continuously analyses gases and particles inside control panels and switchboards to give an early warning of overheating cables before a fire breaks out. The PowerLogic HeatTag sensor detects invisible, yet hazardous, transformations that occur in cable insulation – including PVC, XLPE and EPR types – typically at temperatures between 170°C and 200°C.

If it detects an anomaly, the sensor sends a notification immediately to a facility manager – via a smartphone or building management system, for example – giving them time to act before smoke appears or an electrical fire breaks out.

Schneider says that the tag is much more than a fire or smoke detector. It can issue a real-time warning before any smoke or insulator browning occurs. The HeatTag uses an AI (artificial intelligence) algorithm to differentiate internal cable issues from overheating, and sends an alarm via email or SMS. It can also trigger switchboard digital management functions.

Schneider’s sensor can send warnings of impending fires in control panels to mobile devices

The sensor can detect cable deterioration caused by:
• incorrect tightening of connections;
• excessive vibrations;
• surface damage caused by corrosion, pressure or friction; or
• fluctuations between low and high currents, or between cold nights and hot days.

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