Current transformer, FuPacT ISFL250/630 250/5, class 1, 5VA LV480886

Compact solution for switch-disconnectors with fuses

The FuPacT ISFL250/630 current transformer is a professional measuring device designed specifically to work with ISFL Fupact fuse-switch disconnectors. It features a compact vertical design and a modular system, which eliminates the need for additional mounting space typical of traditional current transformers.

Thanks to its standardized interface, the device is compatible with all types of measuring devices in the Fupact ISFL250-1250A system, making it a universal solution for installers working with various switchgear configurations.

Technical parameters and measurement accuracy

The device operates at a rated primary current of 250A, delivering a rated secondary current of 5A with a apparent power of 5VA. This transformation ratio of 250/5A ensures precise reproduction of current values in secondary circuits for monitoring and energy measurement systems.

Accuracy class 1 guarantees high measurement precision, essential in applications where accurate readings of electrical parameters are required. The accuracy limit factor FS 5 protects the device from the effects of surges and overloads, ensuring stable operation even in difficult operating conditions.

Safety and ease of installation

The transformer is equipped with finger-safe protection, meeting the highest occupational health and safety standards during installation and operation. The snap-in mounting allows for quick and easy installation without the use of tools, significantly reducing installation time.

The design provides a single primary input, which simplifies wiring and minimizes the risk of installation errors. The plug-in type secondary connection ensures secure and fast connection of measuring instruments.

Compliance and applications

The device meets the protection class requirements intended for industrial applications, confirming its suitability for professional use in various types of electrical switchgear.

The transformer is used in power systems requiring precise monitoring of current consumption, in both industrial and commercial applications, where accurate tracking of electrical installation load parameters is crucial.