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.
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
Have a question?Search our library of technical questions, videos, guides and answers. Find an answer
Looking for a wholesaler?A simple tool to easily locate your nearest store selling Schneider Electric products. Find your local wholesaler
Ready to order?Save time by starting your sales enquiry online. Simply chat online with our sales team or leave a message. Contact sales