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Motor Protection

GE’s motor protection systems use advanced thermal modeling to provide optimized protection and ensure maximum process uptime. Our highly skilled engineers and technicians understand motor protection and the various scenarios that can cause damage to motors. They apply their knowledge to the design and manufacture of some of the most advanced protection relays and systems in the world.

Ensure the transfer of critical process control data without jeopardizing system response time or stability utilizing simultaneous communications available in the Multilin MM300 and MM200. Learn more about this spotlight application.

Interactive Selector Guide

339 Motor Protection SystemComplete protection, control, diagnostics and communications for small and medium sized AC motors. Designed for medium voltage motors in industrial applications, the 339 delivers unparalleled protection,control, diagnostics and communications in an industry leading draw-out construction. The 339 Motor Protection System provides simplified setup configuration through the use of the Motor Settings Auto-Configurator, advanced graphical diagnostics with the Motor Health Report and support for multiple communication protocols including IEC 61850. This 3 Series relay is available with multiple options including draw out or non draw out, and with or without chassis for spare parts, replacements or testing purposes.

Agile P24xM Motor Management The Agile P24xM Motor Management Series has been designed for the protection, control, and management of medium voltage motors in industrial applications. The P24xM series offers a small form factor, advanced and redundant communications including IEC 61850, and flexible I/O options to maximize process uptime.

P50 Agile P253 Motor ProtectionThe P50 Agile P253 provides basic motor protection for small and medium size MV/LV motors. It includes a wide range of measurements for motor supervision and operations including starting current record, and features flexible SCADA communication options such as Modbus/IEC 60870-5-103 or DNP3.0.

Medium to Large HP Induction Motors (500 kW – 1MW)

Multilin 869 Motor Protection SystemThe Multilin 869 relay, a member of the Multilin 8 Series protective relay platform, has been designed for the protection, control and management of medium and large induction and synchronous motors. The 869 provides advanced functionality for various types of applications such as high-speed protection, extensively customizable programmable logic, integrated motor monitoring and diagnostics and flexible configuration capabilities. The advanced communications allows an easy integration into the process and electrical control systems for smoother asset monitoring and control.

469 Motor Protection SystemOrders will be accepted for this product through 9th July, 2019. As an alternative, please refer to the 869 relay. Complete, integrated protection and management of medium and large motors. The 469 Motor Protection System, a member of the SR Family of protection relays, is for protection and management of medium to large horsepower motors and driven equipment. It includes advanced features such as analog inputs for vibration monitoring, voltage dependent overload curves, torque protection & metering, and broken rotor bar protection. Use the 469 in two speed motors, motors with high inertia loads, or where reduced voltage starting is a requirement.

369 Motor Protection SystemComprehensive protection and monitoring for three-phase motors and their driven equipment. Designed for medium-sized motors, the enhanced 369 Motor Protection System delivers advanced motor health diagnostics, graphical and data rich fault diagnostics, simple six-step setup & configuration and complete traceability of setting changes, enabling industrial facilities to maximize process up-time and optimize rated motor output.

Large HP Induction & Synchronous Motors (>1MW)

M60 Motor Protection System Comprehensive protection for medium and large motors. The M60, a member of the UR Family, is a full featured relay designed for the protection and management of medium and large horsepower motors. The M60 incorporates advanced features such as an enhanced thermal model, standard and custom thermal limit curves, current unbalance biasing, running and stopped exponential cooling curves, optional RTD modules, and hot/cold motor compensation. Use the M60 in protection applications requiring complex I/O configurations and high-speed communications.

Agile P24x Motor ProtectionPart of the proven MiCOM Agile P40 Platform, the P24x line of motor protection relays offer comprehensive protection, control, and monitoring for large induction and synchronous motors in process and power plant environments. The relays provide enhanced diagnistics and fault analysis, optimized machine image monitoring with optional RTD biasing and customized thermal curves to match more closely with the machine withstand limits.

SPM Synchronous Motor Protection SystemGE’s SPM provides critical protection, synchronization and control for collector-ring or brush type sunchronous motors. The SPM’s control functions for starting the synchronous motor include accurate sensing of the motor speed and rotor angle ensuring proper operation and health of the motor.