Product Profile – ABB TB845 (3BSE021437R1)

1. Product Overview

The ABB TB845 (3BSE021437R1) is a robust industrial variable frequency drive (VFD) designed to deliver dependable, precise control of AC motors in demanding applications. It is part of a series of advanced motor control products engineered to support medium-to-high power operations in automated environments.

This drive combines efficient speed regulation, strong torque control, and flexible integration to meet the needs of diverse industrial systems. Its design emphasizes both operational reliability and maintainability, making it suitable for applications where continuous operation and rapid response to load changes are essential.

The TB845 is tailored for environments that demand extended service life, stable performance under fluctuating loads, and compatibility with complex control systems.

2. Brand & Series

• Brand: ABB

• Series: TB800 Series – Industrial Drive Controllers

The TB800 Series is a family of modular, scalable drives designed for industrial automation. Models in this series provide a range of control methods, communication options, and power ratings to address a range of motor control requirements.

3. Technical Parameters

4. Product Description

The TB845 is designed for reliable motor control in industrial settings where consistent speed regulation and torque management are required. It features advanced control algorithms that allow smooth acceleration and deceleration across a wide range of operating conditions. This ensures reduced mechanical stress on driven equipment and improved process stability.

Built with robust industrial hardware, the drive is capable of withstanding electrical noise, temperature fluctuations, and vibration commonly found on factory floors and processing facilities. The modular internal design simplifies component servicing, reduces maintenance time, and supports field upgrades without extensive system downtime.

The drive is equipped with an intuitive interface featuring a multi-line display and keypad. This user interface allows technicians to configure parameters, monitor real-time status, and diagnose issues efficiently. The TB845 also supports programmable logic functions, enabling reduced dependency on external controllers in simpler automation applications.

Comprehensive protection mechanisms are integrated into the drive’s configuration, protecting both the drive and the connected motor from conditions such as overcurrent, voltage anomalies, phase imbalance, and thermal stress.

5. Applications

The TB845 is suitable for a broad range of industrial motor control applications, including:

• Large conveyor systems in material handling and logistics centers

• Pumps and compressors in manufacturing, water treatment, and chemical processing plants

• Industrial fans and blowers in HVAC and air distribution systems

• Heavy machinery in mining, metals, cement, and bulk processing operations

• Extruders, mixers, and processing equipment in plastics and materials production

• Industrial cooling and refrigeration systems that require variable speed control

• Marine propulsion auxiliaries and offshore power systems requiring regulated motor operation

The combination of high power capability and precise control makes the TB845 an excellent choice for systems requiring smooth start-stop behavior, energy-efficient operation, and detailed speed regulation under heavy load conditions.

6. Product Advantages

The TB845 offers multiple advantages that make it desirable for industrial motor control:

• Precise Motor Control: Provides accurate speed and torque regulation under varying load conditions.

• Wide Power Range: Handles high-power applications without supplementary modules.

• Multiple Communication Interfaces: Supports standard industrial protocols for seamless automation integration.

• Integrated Protection: Built-in mechanisms safeguard against electrical and thermal faults.

• Energy Efficiency: Variable speed control reduces energy consumption and mechanical wear.

• Modular and Serviceable Design: Simplifies installation, maintenance, and future upgrades.

• User-Friendly Interface: Clear display and keypad allow quick configuration and monitoring.

• Flexible Logic Functions: Embedded logic supports localized control without external hardware in some applications.

7. Same Series or Related Models

8. Other Popular Models From the Same Brand