ABB ACS-BRK-C brake actuator

ABB ACS-BRK-C Brake Actuator – Product Information

1. Product Overview

The ABB ACS-BRK-C Brake Actuator is an auxiliary braking control module designed for ABB ACS series drives, including ACS550, ACS580, ACS800, and ACS880.
It provides fast and safe braking control by managing external brake resistors or brake solenoids when the inverter stops or during emergency shutdown.
Featuring high-speed response, electrical isolation, and simple wiring, it is widely used in applications requiring rapid and reliable motor braking, such as cranes, elevators, conveyors, winding machines, and CNC systems.

2. Technical Specifications

• Model: ACS-BRK-C

• Type: Brake Actuator Module

• Compatible Series: ABB ACS550 / ACS580 / ACS800 / ACS880

• Control Voltage: 24 V DC (logic input)

• Output Control Voltage: 24 V DC / 0.5 A

• Relay Contact Rating: 250 V AC / 5 A or 30 V DC / 5 A

• Control Type: Relay contact (NO/NC selectable)

• Insulation Voltage: ≥ 1500 V

• Response Time: ≤ 10 ms

• Mounting Method: DIN-rail or cabinet screw mounting

• Operating Temperature: −20 ℃ to +55 ℃

• Storage Temperature: −40 ℃ to +70 ℃

• Protection Class: IP20 (for cabinet installation)

• Dimensions (approx.): 110 mm × 80 mm × 45 mm

• Weight: ~0.3 kg

• Standards: IEC 60947, EN 61800, UL 508

3. Features and Advantages

1. Perfect Compatibility – Fully compatible with ABB ACS series drives for seamless integration.

2. Fast Braking Response – Less than 10 ms delay ensures immediate stopping during emergency events.

3. High Reliability – Robust relay and isolation design resistant to high voltage and long-term operation.

4. Easy Installation – Modular design with DIN-rail mounting for quick setup and maintenance.

5. Safety Protection – Built-in overcurrent and short-circuit protection ensures safe operation.

6. Wide Adaptability – Supports various braking control signals and industrial system requirements.

7. Durable Design – Industrial-grade housing suitable for harsh environments.

4. Application Fields

• Cranes and hoisting systems

• Conveyor and material handling systems

• Elevators and lifting platforms

• Machine tools and CNC equipment

• Winding and tension control systems

• Fans and centrifugal machines

• Industrial process automation and safety control

5. Precautions

1. Verify drive compatibility before installation.

2. Always disconnect power before wiring or servicing.

3. Use a stable 24V DC power source to ensure proper control logic.

4. Install in a well-ventilated, dry, vibration-free location.

5. Ensure proper grounding of the brake circuit.

6. Regularly inspect relay contacts and wiring for looseness or corrosion.

7. Do not modify internal circuits; unauthorized changes may affect performance or safety.

The structure and details of the product：

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