Signal connectors

Signal connectors from Phoenix Contact

Consistent solutions

Create consistent solutions for the device and cable side with our unique variety of sizes and housing designs.

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We produce circular connectors for industrial signal and sensor/actuator applications in a wide range of versions. Choose between the proven screw connection, the fast connection technologies Push-in and QUICKON, or the compact crimp or pierce connection. The portfolio of device connector products includes versions with litz wires and for direct PCB mounting. The flush-type connectors are suitable for wave, THR, and SMT soldering processes.

Your advantages

  • Unique variety of housing designs from M5 to M23
  • Flexibility, thanks to various numbers of positions from 3 to 19 positions
  • Simplified cabling, thanks to plastic-molded designs

M5 to M12 signal connectors

M5 to M12 signal connectors  

M5 to M12 signal connectors

A comprehensive range of M5, M8, and M12 connectors and panel feed-throughs has developed as a result of the various demands on sensor/actuator cabling in industrial environments. Customer-specific developments for assembly enable optimum adaptation to individual device concepts.

  • 3- to 17-pos.
  • A, B, or D-coding


M17 and M23 signal connectors

M17 and M23 signal connectors  

M17 and M23 signal connectors

Circular connectors in the sizes M17 and M23 cover numerous industrial signal applications. They also satisfy requirements on tightness of seal, vibration resistance, and EMC protection. The circular connectors are supplemented by a complete range of plastic-molded designs. The PRO series´ M23 connectors extend the portfolio additionally.

  • 6- to 19-pos.
  • All housings can be fitted with male or female contacts


7/8″ signal connectors

7/8″ signal connectors  

7/8″ signal connectors

In line with the requirements of the American market, circular connectors are available in inch format. In addition to connectors for assembly with screw connection, the product range also includes flush-type connectors with litz wires or for direct PCB mounting.

  • 3- to 5-pos.


C6 The Exchange
Calmount Park
Dublin 12
D12 XE18


Training video

Compatible M17-M40 PRO series circular connectors.


Configure your connector along with the corresponding pre-assembled cable for your specific application.

Data connectors
Cables and lines