MiCOM P12x

Previous 6 / 6 Next

MiCOM P12x MiCOM Px20 Series Protection Relays Schneider-Electric

3 Phase Overcurrent and Earth Fault Protection Relays

MiCOM P12x is a range of directional and non-directional overcurrent relays from single phase or earth fault up to the multifunctional three-phase P127 device with voltage protection functions. Models available: MiCOM P120, MiCOM P121, MiCOM P122, MiCOM P123, MiCOM P125, MiCOM P126, MiCOM P127


MiCOM P12x is housed in a compact 4U case in 20TE or 30TE widths, MiCOM P12x is fully withdrawable to facilitate easy and quick replacement. The dual-rated current input is powered by conventional 1A or 5A Current Transformers. A wide-range power supply allows a flexible auxiliary voltage to be applied from 24-250Vdc/48-240Vac. P122 also offers a compact case solution with reduced hardware and functionality where installation space is minimal.

Software features include 2 settings groups for quick switching between application configurations and customisable reflex automation, allowing logical AND, OR or NOT gates.

MiCOM P12x devices also include a rear RS485 communication port with a variety of protocols; DNP3, IEC 60870-5-103, Modbus and Courier.

Standard Manufacturers Warranty: 2 years


Flexible, Simple and Reliable

  • User friendly HMI
  • Reliable solution with more than 100 000 units installed around the world
  • Flexible and simple solution
  • Advanced post fault analysis
  • Withdrawable


MiCOM P12x offers a wide range of protection functions allowing its use in many applications including:

  • Main or backup protection on MV/HV systems
  • Overhead lines & underground cables, backup on HV systems.
  • Insulated, solid earthed, resistance earthed, and Petersen coil earthed neutral systems
  • MV subscribers, Industry, Transport
  • Generator and Transformer schemes
Please leave your enquiry here, we will reply as soon as possible.
Company Name  
Product Interested  
Contact No.*  
*only support gif, jpeg, jpg, png, pdf

Switch to Mobile Version
available in