ABB NBRA-657C Brake Cutter

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1. Product Overview

The ABB NBRA-657C is a high-performance Brake Cutter designed for industrial motors, cranes, hoists, and other equipment. It enables rapid cutting of brake current, allowing safe motor stop or brake release, improving operational efficiency and safety. The NBRA-657C features a robust design suitable for various industrial environments and integrates seamlessly with ABB motors and control systems.

2. Detailed Technical Specifications

• Model: NBRA-657C

• Type: Brake Cutter

• Rated Voltage: AC 24–230 V or DC 24–220 V (check specific model)

• Rated Current: Typically 10–50 A depending on model

• Operation Mode: Electromagnetic control

• Response Time: ≤ 10 ms

• Mechanical Life: ≥ 100,000 operations

• Mounting: Panel or rail mount

• Operating Temperature: –20 ℃ to +60 ℃

• Protection Class: IP20

• Standards & Certification: IEC 60947, CE

3. Advantages & Features

• Fast response: ≤ 10 ms for efficient brake control

• High reliability: Industrial-grade design with long mechanical life and vibration resistance

• Easy operation: Electromagnetic control for integration with existing control systems

• Wide applicability: Compatible with various industrial motors and controllers

• Compact design: Saves installation space and is easy to maintain

• High safety: Precise control of brake current prevents motor overload

4. Typical Application Areas

• Industrial motor brake control

• Cranes and hoists

• Elevators and lifting devices

• Automated production lines

• Conveyors and machining equipment

• Energy and power distribution systems

5. Precautions & Installation Notes

• Verify voltage, current, and operation type before installation

• Ensure proper connection to control system before motor operation

• Avoid high temperature, humidity, and strong electromagnetic interference

• Regularly check terminal connections and mechanical operation

• Avoid mechanical impact to ensure safe installation

• Operate within rated parameters to prevent overload

• Keep installation environment clean to prevent dust or oil contamination

The structure and details of the product：

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