Eaton MP-3000 Motor Protection System (66D2032GX1)
The Eaton MP-3000, identified by order code 66D2032GX1, is a sophisticated digital motor protection relay designed for three‑phase AC induction motors. It combines accurate measurement, versatile protection functions, and communication capabilities in a compact housing, making it ideal for modern motor control centers (MCCs) and industrial automation.
Protection Functions
Thermal overload protection (I²t) with programmable time constants
Phase loss / phase unbalance detection
Ground fault (earth fault) protection
Stall / jam protection during start and run
Undercurrent / load loss detection
Overvoltage and undervoltage protection (optional)
Key Features
Microprocessor‑based true RMS current measurement
Large backlit LCD display showing currents, trips, and settings
RS‑485 communication port with Modbus RTU protocol
Two programmable relay outputs for alarm and trip
Real‑time clock for event logging
Self‑diagnostic functions for internal faults
Technical Specifications
Rated current: 1 A or 5 A secondary CT (selectable)
Frequency: 50 / 60 Hz
Auxiliary supply: 110 – 240 V AC/DC (wide range)
Operating temperature: -10 °C to +60 °C
Enclosure: IP20 front panel (mounts in door cutout)
Standards: IEC 60255, IEC 60947‑8
Monitoring and Diagnostics
The MP-3000 continuously logs motor parameters such as current, thermal capacity used, and trip events. The stored data helps maintenance personnel analyze motor performance and predict failures. The clear LCD interface allows quick viewing of all measured values and settings without external software.
Communication and Integration
With built‑in Modbus RTU, the MP-3000 can be integrated into PLC, SCADA, or energy management systems. Remote monitoring of motor status, resetting trips, and changing setpoints are possible, reducing downtime and improving operational efficiency.
Typical Applications
Pumps, fans, compressors, and conveyors
HVAC systems
Water treatment plants
Mining and material handling
Any critical motor requiring advanced protection
The 66D2032GX1 variant includes a pre‑configured current range and accessory package suitable for most general‑purpose motor applications, ensuring easy ordering and installation.
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