Pepperl+Fuchs: ATEX-Certified M12 Connection Technology

March 3, 2026
As a manufacturer of industrial sensors and connection technology, Pepperl+Fuchs continues to advance M12 connection technology to meet the specific needs of process automation. Especially in hazardous areas, uncompromising safety and dependable components are essential. With M12 connection technology in accordance with EN 61076, designed for intrinsically safe applications, Pepperl+Fuchs offers a solution that combines standard-compliant safety, mechanical durability, and simplified installation.
M12 Cables for Hazardous Areas—Now with ATEX Certification
M12 connectors have proven themselves as a reliable standard for industrial connections. Their compact design, high degree of protection, and easy installation makes them the ideal interface for sensors and actuators in automation technology. For use in hazardous areas, Pepperl+Fuchs has further optimized M12 connection technology and obtained ATEX certification. This enables the safe operation of intrinsically safe circuits, without compromising performance or reliability.
Integrated Vibration Protection for Long-Lasting, Secure Connections
The new M12 connectors for hazardous areas feature integrated vibration protection that prevents the hex nut from loosening under shock and vibration. This offers a significant advantage in demanding industrial environments such as chemical, oil, and gas plants, providing increased system availability, longer maintenance intervals, and enhanced operational safety.
Reduced Testing Effort with Certified M12 Components
Before intrinsically safe circuits can be commissioned, IEC/EN 60079 as well as NEC and CEC requirements in North America, mandate a “Verification of Intrinsic Safety.” This process involves extensive documentation and is typically the responsibility of the installer.
With the new certified M12 cables and cordsets, this effort is significantly reduced. When cables and connectors hold an EU type-examination certificate, the need for time-consuming verification by the installer is eliminated. This saves time, reduces potential errors, and significantly accelerates commissioning.

Efficient Service During Ongoing Operations
Maintenance activities in potentially explosive atmospheres are often associated with additional organizational effort. For non-intrinsically safe circuits, a permit for work involving a fire hazard is usually required. With the new ATEX-certified M12 connections from Pepperl+Fuchs, work on these circuits can be performed during normal operation without the need for additional permits.
For plant operators, this means:
- Reduced downtime
- Greater flexibility in maintenance planning
- Lower operating costs






