STX300

New Generation Wireless Self-Supplied Temperature Sensors



The STX300 is our new generation of self-supplied, wireless, temperature sensor for low and medium voltage applications. It has been developed taking advance from the extensive experience built in this area of application, with our previous family ST_2__. 

Built with the latest technology, STX300 sensors deliver cutting-edge functionalities and performances, available in 4 different variants: 

  • STX301/STX311: Embedded single temperature probe 
  • STX303/STX313: Up to three remote temperature probes 
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Product scope 

Monitor temperature of key LV/MV live assets components such as switchgear busbars, cables, and/or breakers contact arms

Key benefits

  • Compact dimension 
  • Simple installation 
  • Compatibility across all ABB Monitoring & Diagnostic digital concentrators 
  • Low starting current 

Key features

  • New cybersecurity features with encrypted wireless protocol
  • Maintenance-free thanks to energy harvesting design 
STX300 sensors are not intended for sale as loose components but they are fully integrated with specific families of ABB switchgears and circuit breakers, as part of the monitoring and diagnostic solutions portfolio.











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