Protection Relays by Product Line

Next-gen protection and control for demanding applications PowerLogic P7 delivers a modular and cybersecure platform, fully prepared for virtualization. Its 7” color touchscreen and new engineering tool make it simple to configure, test, integrate, operate and maintain, while maximizing your sustainability goals.

Withdrawable protection and control relays for demanding applications From overcurrent to differential protection with arc flash detection, low power sensors, redundant Ethernet communication and proven IEC 61850 profile, these withdrawable medium voltage protective relays focus on safety and cybersecurity.

Compact medium voltage protection relays From overcurrent to advanced protection, these easy-to-use protection relays (formerly known as Easergy P3) offer arc flash protection, LPCTs, LPVTs and ethernet communication including IEC 61850 for standard medium voltage applications.

Overcurrent, earth fault and voltage protection relays Compact and easy to use, these overcurrent, earth fault (directional as option), voltage and frequency PowerLogic P1 protection relays (formerly known as Easergy P1) are a cost-effective solution for low- and medium-voltage applications.

Arc flash protection for MV/LV installations Ultra-fast arc flash protection with flexible zone control and advanced diagnostics to help safeguard people, critical assets, and power system uptime in medium- and low-voltage electrical installations.​

Arc flash detection and mitigation for MV and LV enclosures Designed to mitigate arc faults inside electrical enclosures, this reliable and flexible solution protects against potential fire risks and equipment destruction.

Multifunction protection relays for network safety Meet smart grid, industry and railway requirements with our advanced multifunction protection and control relays featuring bay control enhanced cybersecurity.

Transformer Differential Protection and Control Devices Easergy MiCOM P63x series is now available under Easergy MiCOM P30 Protection and Control Relays range. Easergy MiCOM P63x is a series of differential protection devices are designed for fast, selective, short-circuit protection of transformers, motors, generators and other installations. Models available: Easergy MiCOM P631, Easergy MiCOM P632, Easergy MiCOM P633 and Easergy MiCOM P634.

Distance Protection and Control Relays Easergy MiCOM P43x is now available under the range Easergy MiCOM P30 Protection and Control Relays. Easergy MiCOM P43x distance protection and one-box devices are used for selective short circuit, ground fault and overload protection in medium-, high- and extra-high voltage systems. Models available: Easergy MiCOM P433, Easergy MiCOM P435, Easergy MiCOM P437, Easergy MiCOM P439 with new Graphical HMI.

Overcurrent Protection Device for Rail Applications Easergy MiCOM P138 is now available under the range Easergy MiCOM P30 Protection and Control Relays. Easergy MiCOM P138 specifically provides directional overcurrent protection for rail applications

Distance Protection Devices for Rail Applications Easergy MiCOM P436 and 438 are now available under the range Easergy MiCOM P30 Protection and Control Relays. Easergy MiCOM P436 provides catenary protection for classic and two-phase AT feeders.

Transformer Protection Device for Rail Applications Easergy MiCOM P638 is now available under the range Easergy MiCOM P30 Protection and Control Relays. Easergy MiCOM P638 provides transformer differential protection

Feeder Overcurrent & Earth Fault Protection Relays Overcurrent, Earth Fault and complete feeder power system protection, control and monitoring including advanced communication and integrated functions dedicated to feeders. Models available: MiCOM P141, MiCOM P142, MiCOM P143, MiCOM P145

Rotating Machine and Motor Protection Relays Easergy MiCOM P24x relays offer advanced protection, control and monitoring of motors and rotating machines. Models available: MiCOM P241, MiCOM P242, MiCOM P243

Interconnection Protection Relays Easergy MiCOM P341 Interconnection protection relays offer the protection requirements necessary for operating machines in parallel with the main power supply network. Models available: MiCOM P341, MiCOM P922 G

Generator Protection Relays Easergy MiCOM generator protection relays provide flexible and reliable integration of protection, control, monitoring and measurement functions for small, medium and large generators. Models available: MiCOM P342, MiCOM P343, MiCOM P344, MiCOM P345

High Performance Relay Distance Protection Easergy MiCOM P44x provides high speed and high performance distance protection for all overhead lines and cable applications and offers a comprehensive range of protection functions as standard. Models available: MiCOM P441, MiCOM P442, MiCOM P443, MiCOM P444, MiCOM P445, MiCOM P446

Line Differential Protection Relays Easergy MiCOM P54x is designed for high performance overhead line and cable applications, it interfaces readily with the longitudinal (end to end) communications channels and has optional distance backup protection. Models available: MiCOM P541, MiCOM P542, MiCOM P543, MiCOM P544, MiCOM P545, MiCOM P546

Transformer Protective Relays Easergy MiCOM P64x series provides fast and complete protection for transformer faults, preserving service life. Designed for two and three winding transformers (including autotransformers), it is easy to use and the setting wizard requires only nameplate data. Models available: MiCOM P642, MiCOM P643, MiCOM P645

Numerical Busbar Protection Relay Scheme (Distributed) The Easergy MiCOM P740 numerical busbar protection scheme provides scalable and complete protection for all voltage levels, from low to extra or ultra high-voltage busbar configurations. Models available: MiCOM P741, MiCOM P742, MiCOM P743

Numerical Busbar Protection Relay Scheme (Centralized) Easergy MiCOM P746 numerical busbar protection provides centralized complete protection for all voltages level up to extra high voltage busbar configurations. Models available: MiCOM P746

Multifunction Line Terminal Protection & Control Device Easergy MiCOM P841 is a multifunctional line terminal IED for control and back-up protection in transmission and sub-transmission feeder bays. Models available: MiCOM P841

Protection Relays for Custom Applications Digital protection relays for current and voltage protection, for any distribution system

Test block and Test Plugs for Electrical Protection Schemes MiCOM P991 test block offers safe and preconfigured facilities for monitoring and secondary injection testing in any power system protection scheme. To be used with MiCOM P992 Test plugs. Models available: MiCOM P991, MiCOM P992, MiCOM P993

Configuration software for electrical devices Accelerate configuration, testing, and integration of intelligent electronic devices (IED) in electrical substations with our engineering software. Get IEC 61850 V2.1 cybersecurity compliance, plus seamless integration with EcoStruxure™ EPAS-E.