Description

ABB SACE15RE22

ABB SACE15RE22 is an industrial‑grade braking resistor. Its core function is to dissipate excess energy generated by the motor during braking, preventing overvoltage on the DC bus of the frequency converter, thereby protecting the safe and stable operation of the converter, motor, and the entire drive system. As an indispensable key auxiliary component in industrial automation drive systems, it is widely used in various converter‑driven applications requiring frequent braking. This model is a standard‑specification braking resistor from ABB.

1 Technical Data

1.1 Mechanical and Physical Parameters

Type: Braking resistor (accessory for converter braking, categorized under Drive Options – Braking Options – SACE Series Braking Resistors).
Dimensions: Net width 5.1 mm, length approx. 36.5 cm. Compact structure for easy installation near the converter or in dedicated mounting areas, saving space.
Weight: Approx. 5.6 kg, moderate weight for convenient on‑site installation, handling and maintenance.
Mounting compatibility: SACE‑type braking resistor, to be installed in accordance with the ABB Braking Resistor Hardware Manual. Sufficient cooling space must be reserved to ensure timely heat dissipation during braking.

1.2 Electrical Performance Parameters

Core function: Dissipates regenerative braking energy from the motor, suppresses DC bus overvoltage of the frequency converter, and protects the drive system.
Temperature class: Standard temperature class, suitable for normal industrial operating temperatures and meeting braking and heat dissipation requirements in most industrial scenarios (for detailed temperature range, refer to the product hardware manual).
Motor compatibility: Not suitable for two‑speed motors; mainly designed for converter drive systems with single‑speed motors. Must be precisely matched according to converter power and braking requirements.
System requirements: Must be used together with a converter braking chopper to form a complete braking system, ensuring effective energy dissipation and system safety.

1.3 Environmental and Installation Parameters

Operating environment: Suitable for standard industrial environments. Avoid long‑term exposure to high humidity, heavy dust or corrosive gases to prevent performance degradation.
Cooling requirements: Generates significant heat during braking. Installation must follow the ABB Braking Resistor Hardware Manual, with sufficient free space for unobstructed heat dissipation to avoid performance reduction and shortened service life caused by heat buildup.
Cable requirements: Use specified braking resistor cables, properly route and limit cable length to ensure electromagnetic compatibility (EMC) and minimize interference to other equipment. For detailed cable specifications and length limits, refer to the product manual.

2 Key Features

2.1 Accurate Braking Protection, Ensuring System Safety

As a core braking accessory for frequency converters, the SACE15RE22 rapidly dissipates regenerative electrical energy during motor braking and deceleration, effectively suppressing DC bus overvoltage, preventing damage to internal converter components, reducing drive system failure risks, and ensuring safe and stable operation in compliance with ABB braking system safety standards.

2.2 Standardized Design, High Compatibility

Manufactured with ABB standardized processes, it is a standard‑configuration braking resistor of the SACE series with a fixed order code. It is fully compatible with all mainstream ABB converters and can also be applied in braking systems of selected other‑brand converters based on electrical parameter matching. It offers high versatility, easy selection and seamless integration into existing drive systems.

2.3 Compact Structure, Easy Installation

With a compact profile (only 5.1 mm wide, approx. 5.6 kg), it can be easily installed in confined spaces around the converter. Installation follows the ABB Braking Resistor Hardware Manual, allowing quick assembly with other braking components such as braking choppers, reducing on‑site installation difficulty and labor time.

2.4 High Durability for Harsh Industrial Environments

Constructed with high‑quality resistance materials and a rugged design, it features excellent heat resistance and stability, withstands prolonged high temperatures during braking, and resists aging. Suitable for standard industrial environments, it tolerates light dust and vibration, providing long service life and lowering maintenance and replacement costs.

2.5 High Compliance, Reliable Safety

The product complies with relevant ABB braking system design standards and electrical safety protection specifications. It works together with braking choppers and converters to form a complete safety braking system. All parameters and specifications meet industrial drive system safety requirements, ensuring safe and reliable operation.

3 Typical Applications

Converter matching: Widely compatible with various ABB converters (e.g., ACS880, ACS580 series) to dissipate energy during motor braking and protect the converter and motor.
Industrial drive equipment: Used in machine tools, cranes, conveyors, elevators and other equipment requiring frequent start/stop and deceleration braking, avoiding system overvoltage and improving stability.
General manufacturing: Applied in drive systems in chemical, metallurgical, logistics, building materials and other industries, supporting converter‑driven single‑speed motors and meeting braking protection requirements for various equipment.

ABB SACE15RE22 | Braking resistor