Multifunctional protection relays
SIPROTEC 4 integrate 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.
Webinars for energy automation - Expert Workshops
Our energy automation webinars offer deep dive looks at our best technology for substation automation and protection. It's your chance to interact in virtual live sessions with our technical experts.
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SIPROTEC 4 Portfolio
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.