SIPROTEC 4

SIPROTEC 4

SIPROTEC 4 leads the way in integrating protection, control, measurement, and automation functions in one device. The homogenous system platform, the unique DIGSI 4 engineering program, and extensive experience of more than a million successfully operating devices in the field worldwide – thanks to these unique advantages, SIPROTEC 4 enjoys top recognition among users worldwide. SIPROTEC 4 is the industry standard for digital protection technology today in all fields of application.

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SIPROTEC 4 Portfolio

Overcurrent and motor protection

Overcurrent and motor protection

Overview

Distance protection

Distance protection

Overview

Line differential protection

Line differential protection

Overview

Breaker management

Breaker management

Overview

Transformer differential protection

Transformer differential protection

Overview

Motor and generator protection

Motor and generator protection

Overview

Parelleling device

Paralleling device

Overview

High speed busbar transfer device

High speed busbar transfer device

Overview

Busbar protection

Busbar protection

Overview

Bay controller

Bay controller

Overview

Easy Protection Device Selector

Easy Protection Device Selector

This tool gives a quick guidance to find a protection device of SIPROTEC 5, SIPROTEC 4, SIPROTEC Compact, Reyrolle which would fit your needs.

Easy Protection Device Selector

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News & Media

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Customer Support Center

Customer Support Center

The Customer Support Center (CSC) from Siemens for all inquiries in the field of power and energy. We offer competent, reliable and prompt customer support, worldwide, 24 hours a day in English and German.

Siemens Power Academy TD

Siemens Power Academy TD

Professional training in the area of power transmission and distribution, from beginner to experts.

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Energy goes digital

Energy goes digital

Grid Diagnostic Suite – Powered by MindSphere - allows grid data to be processed transparently in the cloud. Visualize and analyze data provided by SIPROTEC and SICAM devices using Grid Diagnostic Suite apps. This keeps your power grid status transparent so you can react more quickly to grid conditions and plan predictive maintenance.

Cyber security 

Full protection 24/7 for substations – thanks to interoperable products that meet strict cyber security requirements: secure communication, protection of data integrity, access control and consistent monitoring of substation security
Substation Automation Portfolio

Substations Automation

The comprehensive SICAM portfolio has everything you need for future-proof substation automation.

Power Quality

Siemens offers comprehensive solutions for the measurement, recording, and reporting of information to improve power quality.

Smart Communication

Digitalization demands communication. Respond proactively to digitalization and the decentralized structures in energy supply with end-to-end telecommunication networks for the digital grid.