Home Trusted by 500,000+ buyers
BACK Main Directory > Electrical Equipment > Signal Converters - INTERFACE

Signal Converters - INTERFACE

Supplier: Phoenix Contact

The INTERFACE range includes relays, optocouplers, power supply units, PLC system cabling, signal converters for all common bus systems, fibre optic cables, and signal converters.

Price Guide: POA

Countless demands are placed on INTERFACE technology in the world of automation.

Digital, analog, serial, and power signals have to be converted, switched, isolated, conditioned, amplified, connected and supplied.


  • Optocouplers and relays – The full range with a high degree of modularity and flexibility
  • CONTACTRON - Power electronics and solid-state contactors
  • PLC series – 6.2/14 mm wide with pluggable relays and optocouplers
  • PR series – Pluggable relays and optocouplers with pluggable input/interference suppression modules
  • EMG series – Modular relays and optocouplers
  • ST series – Relays and optocouplers can be plugged on modular terminal blocks

 More about INTERFACE Relay


PSR safety relay - A wide range in a narrow housing, that fulfills high safety requirements in machine and system engineering.

  • Universal PSR safety relays - for emergency stop/emergency off, safety door circuits, light grids and two-hand control devices, as well as modules for contact extension with and without a safe time function
  • Modular PSR safety system relay - can be easily extended with the innovative DIN rail connector PSR-TBUS
  • Configurable PSR safety relay - for downtime and speed monitoring
  • PSR safety relay process - with the SIL approval for use in the process industry

More about INTERFACE Safety


I /O wiring between the field and automation level

  • Wiring interface – Individual wires contact with high-position plug connectors
  • System cabling – Plug & play control cabinet wiring
  • Cables - Assembled with D-SUB or FLK connector

More about INTERFACE Cabling


Highly functional converters for measuring and control technology

  • MINI analog – 6 mm wide device with top performance
  • Function line – Multifunctional devices with high-precision transmission performance
  • Standard line – Ideal for serial applications 

More about INTERFACE Analog


Intrinsic MCR signal transmission with innovative and practical components

  • MACX Analog Ex – The widest Ex-i isolator range in the narrowest housing
  • PI series – Saves space on the routing level and provide maximum service convenience
  • Motherboards – Module carriers with up to 16 channels in robust panel mounting base for the PI series

More about INTERFACE Ex 

Signal Conditioning for the Control System

  • Interface converters – For converting RS-232 to TTY, RS-422 and RS-485
  • FO converters – For RS-232, RS-485 and all fieldbus systems
  • Ethernet c