Schneider Electric PowerLogic™ MiCOM P126 Feeder Protection Relay

Schneider Electric PowerLogic™ MiCOM P126 Feeder Protection Relay supports medium-voltage distribution networks where protection decisions depend on both current and voltage conditions. The relay combines feeder protection, directional fault detection, voltage supervision, and frequency monitoring in a single numerical platform.

Modern distribution systems often operate with multiple power sources, distributed generation, and interconnected feeder arrangements. The MiCOM P126 helps operators maintain network stability by monitoring electrical parameters continuously and responding quickly to abnormal operating conditions. Directional protection functions improve fault discrimination, while voltage and frequency protection add another layer of security for critical electrical assets.

The relay also captures fault records and event logs that help maintenance teams investigate disturbances and improve system performance. Its combination of protection and monitoring functions makes it suitable for utility substations, industrial facilities, renewable energy projects, and infrastructure networks.

Specifications

• Manufacturer: Schneider Electric
• Product Family: PowerLogic™ MiCOM
• Model: P126
• Relay Type: Numerical Feeder Protection Relay
• Protection Application: Feeder Protection
• Protection Functions: Overcurrent Protection, Earth Fault Protection, Directional Overcurrent Protection, Directional Earth Fault Protection, Voltage Protection and Frequency Protection
• Technology: Digital / Numerical Relay
• Event Recording: Yes
• Fault Recording: Yes
• Monitoring Functions: Current, Voltage, Frequency and Fault Analysis
• Installation: Medium Voltage Switchgear and Protection Panels
• Communication: Available depending on configuration

Features

• Overcurrent and earth fault protection.
• Directional protection for improved fault selectivity.
• Voltage monitoring and voltage protection functions.
• Frequency supervision and protection capabilities.
• Event and disturbance recording.
• Continuous feeder monitoring.
• Supports protection coordination in interconnected networks.
• Suitable for utility, industrial, and renewable energy applications.

 Applications

• Distribution Feeders
• Utility Substations
• Medium Voltage Switchgear
• Renewable Energy Projects
• Industrial Power Distribution Systems
• Infrastructure Networks
• Electrical Protection Panels
• Distribution Network Protection Schemes

Schneider Electric PowerLogic™ MiCOM P126 Feeder Protection Relay combines feeder protection with voltage and frequency supervision, helping operators maintain stable and reliable power distribution across a wide range of applications.