GE Multilin  SR469-P5-HI-A20 MOTOR MANAGEMENT RELAY

The SR469-P5-HI-A20 Motor Protection System, a member of the SR family of relays, provides protection, control, simplified configuration and advanced communications in a cost effective industry leading draw-out construction. Designed for medium voltage motors, the 469 delivers advanced protection with customizable overload curves and single CT differential protection for added flexibility. The 469 also provides simplified configuration using the Motor Settings Auto-Configurator, providing a quick and easy set-up of motor parameters. Coupled with advanced protection and diagnostics, the 469 provides users the flexibility of multiple communication protocols allowing integration into new and existing control networks.

Key Features

Thermal model biased with RTD and negative sequence current feedback

Start supervision and inhibit

Mechanical jam

Voltage compensated acceleration

Undervoltage, overvoltage

Underfrequency

Stator differential protection

Thermal overload

Overtemperature protection

Phase and ground overcurrent

Current unbalance

Power elements

Torque protection

Dual overload curves for 2 speed motors

Reduced voltage starting control

Protection & Control

The 469 is a digital motor protection system designed to protect and manage medium and large motors and driven equipment. It contains a full range of selectively enabled, self contained protection and control elements as detailed in the Functional Block Diagram and Features table.

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