Transformer differential protection

SIPROTEC 7UT82 offers reliable, low-cost protection for two-winding transformers, ensuring safety, versatile functions and high availability with conformal coating.

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

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

SIPROTEC 7UT87 provides versatile differential protection for complex multi-winding transformers with up to 5 sides and multiple measuring points.

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