Siemens SIPROTEC 7SL87 – Intelligent Line Protection for Modern Power Systems

Siemens SIPROTEC 7SL87 – Intelligent Line Protection for Modern Power Systems

What Is the SIPROTEC 7SL87?

The SIPROTEC 7SL87 is a high-performance line protection device designed for power lines and cables of any length. Its core function is to detect electrical faults—such as short circuits—within milliseconds and isolate only the affected section. This prevents minor issues from escalating into major failures while keeping the rest of your network fully operational.

Key Features at a Glance

FeatureDescription
Protection MethodsCombines differential and distance protection for high sensitivity and reliable fault detection, minimizing false alarms even under challenging conditions.
User InterfaceAll system data and status information can be accessed through a standard web browser, simplifying monitoring and operation.
DurabilityInternal electronics feature a special protective coating, ensuring stable performance in harsh environments and extreme temperatures.

Explore the SIPROTEC Family

If the 7SL87 is close to your needs but you have slightly different application requirements, we also recommend exploring other models in the SIPROTEC series—including the 7SA86, 7SD87, 7VK87, and more. Each variant offers tailored features to suit specific protection scenarios.


Thank you for reading. If you have any questions or need a quote, please feel free to contact us.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top