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MD21

The ABB MD21 is an operator interface panel designed to work with ABB M10x motor control and protection units such as M101 and M102. It provides a user‑friendly way to monitor, display, and configure motor control parameters and protection status. The MD21 integrates an LCD display, LED indicators, and pushbuttons for local operation, navigation, and parameterization of the associated M10x module. It allows operators and service personnel to easily view motor running data, maintenance and diagnostic information, and status indicators directly at the control panel.

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Typical Technical Parameters Specification Details Product Type Operator/Display Panel for Motor Control & Protection Units Model Name / Accessory MD21 Intended For Use With ABB M10x Motor Control & Protection Units (e.g., M101, M102) Display Type LCD with text and value readouts LED Indicators Configurable status indicators (Power, Ready, Running, Stop, Fault, etc.) Function Buttons Start, Stop, Navigation (Up/Down/Enter/Exit) Communication / Connection RJ11/RS‑485 interface to M10x controller Parameterization Port Mini USB for engineering access and parameter setup Supported Display Pages Up to 13 running values and settings pages (with M102) Measurement Data Motor current, % current, line voltage*, power and power factor*, thermal capacity, frequency* (features depend on connected control unit) Diagnostic Data Fault logs, trip history, maintenance information Physical Mounting Mounts on the front of M10x unit or panel door Typical Uses Local monitoring, control, status indication, parameter configuration Compatible Control Modules M101, M102 (Motor control and protection units) Typical Environments Industrial motor control panels and automation boards