Protection device per application

Transformer differential protection

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Transformer differential protection with SIPROTEC 5

SIPROTEC 7UT82

SIPROTEC 7UT82 delivers reliable, low-cost differential protection for two-winding transformers. This compact device ensures safety with powerful, versatile functions and high availability via conformal coating.

SIPROTEC 5 - Modular SS

SIPROTEC 7UT85

The SIPROTEC 7UT85 is a modular differential protection device for two-winding transformers, offering versatile functions and flexible hardware expandability.

SIPROTEC 5 - Modular SS

SIPROTEC 7UT86

The modular SIPROTEC 7UT86 provides main transformer differential protection, specifically designed for three-winding transformers (3 sides).

A Siemens SIPROTEC 5 modular system with a rectangular shape and a blue and white color scheme.

SIPROTEC 7UT87

Protect complex multi-winding transformers with the SIPROTEC 7UT87. This modular differential protection relay is designed for transformers with up to 5 sides and nu

A close-up of a modular electrical protection device with a black and silver color scheme.

SIPROTEC 7SX85

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