Line protection

SIPROTEC V virtualizes substation protection & control, scaling up to 60 IEDs on one server with proven algorithms, IEC 61850 compliance, and AI-ready architecture.

The SIPROTEC 7SL82 offers combined line differential and distance protection, providing a cost-optimized, compact solution for medium- and high-voltage systems.

SIPROTEC 7SL86 combines differential and distance protection for lines and cables up to 6 ends. Ensure high availability with 9ms tripping, flexible I/O, and conformal coating for reliability in extreme environments.

The SIPROTEC 7SL87 provides combined differential and distance protection for lines and cables of all lengths with up to 6 ends and 1-pole tripping.

The SIPROTEC 7SX82 universal protection device covers most tasks in medium voltage and distribution grids. Tailor its functionality and pay only for what you apply.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.

SIPROTEC 7SD82 provides compact, cost-optimized line differential protection for medium- and high-voltage systems. It ensures safety with 3-pole tripping in 19 ms and high availability via conformal coating.

The modular SIPROTEC 7SD86 is specifically designed for line differential protection of medium and high-voltage lines with 3-pole tripping.

The SIPROTEC 7SD87 provides selective differential protection for overhead lines and cables of all lengths with single-ended and multi-ended infeed for up to 6 ends.

The SIPROTEC 7SX82 universal protection device covers most tasks in medium voltage and distribution grids. Tailor its functionality and pay only for what you apply.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.

The Reyrolle 7SR18 is a numeric differential relay that detects in-zone phase and earth faults, with integral back-up overcurrent and earth fault protection.

SIPROTEC 7SD80 delivers selective line protection for power cables and overhead lines up to 24 km, supporting all starpoint configurations.

The SIPROTEC 7SA82 delivers cost-optimized, compact distance protection for medium and high-voltage systems. It ensures reliable, fast operation with a 19 ms minimum tripping time and standard conformal coating.

SIPROTEC 7SA86 modular distance protection for lines. Delivers fast, selective 3-pole tripping in 9 ms. Its flexible I/O structure and standard conformal coating ensure reliable, future-oriented protection and high availability.

The SIPROTEC 7SA87 is a modular distance protection device for high-voltage lines, offering flexible 1-pole or 3-pole tripping with a minimum 9 ms tripping time.

The SIPROTEC 7SX82 universal protection device covers most tasks in medium voltage and distribution grids. Tailor its functionality and pay only for what you apply.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.

The modular SIPROTEC 7SJ86 offers overcurrent protection specifically designed as a flexible backup or emergency solution for line protection devices.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.

The modular SIPROTEC 7VK87 offers reliable circuit-breaker management with future-oriented protection, control, and automation. Its standard conformal coating ensures highest availability, even in extreme environmental conditions.

The SIPROTEC 7SX85 is a modular universal protection device. Get precisely tailored functionality for any application and pay only for what you apply.