ABB CT3/400

The ABB CT3/400 current transformer is a globally utilized component designed for precise measurement and monitoring of electrical currents in industrial systems. Distributed worldwide, this device plays a critical role in ensuring accurate current sensing for protection and control applications.

Key Technical Features and Applications of CT3/400

• Engineered for accurate current transformation up to 400 A, enabling reliable monitoring in medium-voltage distribution networks.
• Compact design facilitates integration into tight panel spaces while maintaining thermal stability under continuous operation.
• Robust insulation ensures operational safety and longevity in harsh industrial environments.
• High accuracy class supports precise metering, essential for energy management and fault detection in electrical installations.

Typical applications include current measurement in transformer substations and protection relay circuits within power distribution infrastructures.