Summation current transformers for differential and residual current measurement

Summation transformers capture the vector sum of multiple conductor currents and are essential for protection concepts.

CELSA devices support reliable residual current detection in industrial and building power systems.

Typical applications

  • Residual current monitoring in sub-distribution
  • Differential current measurement for protection
  • Condition monitoring in industrial systems

Recommended products

Summation transformersGrid protection
Explore summation transformers Request consultation

FAQ

What are summation transformers used for?

They are used to detect residual and differential currents for protection tasks.

Typical applications?

Power distribution, machinery, protection and safety-related systems.