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
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
EcoStruxure™ for Your BusinessEcoStruxure lets you thrive in today's digital world. Make better business decisions with scalable and converged IT/OT solutions. Learn more
Reach UsHave a question, complaint or is there some feedback you’d like to send us to make your experience with Schneider Electric better? Contact an Expert
Frequently Asked QuestionsEasily find and share the answer you are looking for from our online FAQ service Browse FAQ
Field ServicesOptimize the life cycle of your assets, improve performance, safety, and reduce maintenance costs – all with an experienced provider of complete field services and a partner you can trust. Discover services