Home / News / ABB NDCU-21C Product Introduction

ABB NDCU-21C Product Introduction

Nov 19, 2025 ABB

ABB NDCU-21C is a high-performance drive control unit(DCU)designed for controlling and protecting three-phase asynchronous motors.It is widely used in industrial automation control systems and can provide precise speed,torque and position control.

ABB NDCU-21C

Main functions and features

High-performance control:Adopts vector control technology to accurately control the speed,torque and position of the motor.

Multiple control modes:Support speed control,torque control and position control.

High reliability:Rugged design for harsh industrial environments.

Ease of use:Provides an intuitive interface and easy-to-use programming tools to simplify operation and maintenance.

Modular design:Easy to install and integrate into various automation systems.

ABB NDCU-21C

Technical specifications

Rated power:0.75 kW to 2.2 kW.

Rated voltage:208-240 VAC.

Rated current:3.3 A to 9.2 A.

Speed​​range:0 to 2000 rpm.

Torque range:2.8 Nm to 18 Nm.

Communication interface:Supports RS-232 serial communication and Modbus RTU protocol,as well as other Ethernet communication methods.

Protection level:IP65.

Operating temperature range:-10℃to+40℃.

Dimensions:Approximately 10.2 cm×7.6 cm×2.7 cm.

Weight:Approximately 1.4 kg to 1.7 kg.

Application areas

ABB NDCU-21C is widely used in the following fields

Industrial automation:used for precise control of various industrial equipment.

Building automation:used for motor control in building management systems.

Water treatment:used for control of pumps and fans.

Energy management:used for water treatment,HVAC systems,etc.

Buy-Globally

Buy-Globally

Contact Us for Inquiries & Needs

24/7 Online Support

If you have any questions or needs, please feel free to leave a message. Our customer service is online 24 hours a day, and we look forward to serving you.

Quick Response
Expert Advice
Global Support
24/7 Available

Leave a Comment

If you have any questions or needs, please feel free to leave a message
Our customer service is online 24 hours a day, and we look forward to serving you.
  • All comments(0
  • There are no comments yet. Come and post a comment!

Related Articles

TRICONEX 4119A Intelligent Communication Module Technical Overview
Jan 08, 2026

TRICONEX 4119A Intelligent Communication Module Technical Overview

TRICONEX 4119A is an intelligent communication module used in the TRICONEX series control systems. It supports multiple communicati

View News
EMERSON KJ4001X1-BE1 Bus Circuit Rack Product Introduction
Jan 03, 2026

EMERSON KJ4001X1-BE1 Bus Circuit Rack Product Introduction

The Emerson KJ4001X1-BE1 bus circuit rack is a bus module produced by Emerson for industrial automation control systems. It plays a

View News

Need a Custom Automation Solution?

Our team of experts can design and implement a tailored automation system to meet your specific requirements.