Description

REL551 1MRK002480-AE is a high-performance integrated protection relay under ABB’s Relion® series, combining protection, control, measurement, and communication functions. It is specifically designed for power systems and industrial automation scenarios. With comprehensive protection mechanisms, flexible configuration capabilities, and reliable performance, it is widely used for the safety protection of various electrical equipment and lines. Here are the detailed product information:

Core Product Positioning and Design Basis

1. Product Type: Integrated protection device (including analog input module functionality) with multiple protection capabilities such as line differential protection, overcurrent/short-circuit protection, while also supporting data acquisition and remote control. It is a core control component in power systems and industrial automation.

2. Series: ABB Relion® series protection relays, which are widely recognized in the power industry for their high reliability, strong compatibility, and advanced protection technology.

3. Structural Features: Modular design for easy installation and maintenance, supporting function expansion and upgrades; compact structure (dimensions 79mm×160mm×120mm) to save installation space and suitable for various switchgear environments.

Product Advantages:

1. High Reliability: Made with durable components, suitable for harsh industrial environments, strong anti-interference capability, ensuring long-term stable operation.

2. Strong Compatibility: Supports multiple communication protocols and network interfaces, can be seamlessly integrated into existing systems, meets the interconnection needs of devices from different brands; modular design facilitates functional expansion and adapts to system upgrades.

3. Outstanding Ease of Use: Compact structure saves installation space, modular design simplifies installation and maintenance; graphical user interface and remote management functions reduce the operational and maintenance threshold.