469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL 2–1
469 Motor Management Relay
Chapter 2: Introduction
Digital Energy
Multilin
Introduction
2.1 Overview
2.1.1 Description
The 469 Motor Management Relay is a microprocessor based relay designed for the
protection and management of medium and large horsepower motors and driven
equipment. The 469 is equipped with six (6) output relays for trips, alarms, and start blocks.
Motor protection, fault diagnostics, power metering, and RTU functions are integrated into
one economical drawout package. The single-line diagram below illustrates the 469
functionality using ANSI (American National Standards Institute) device numbers