Current transformer 100/5A 2.5VA class 1 SRA01005

Current transformer for precise measurement and protection

This current transformer, with a transformation ratio of 100/5A and a power of 2.5VA, is a key element in measurement and protection systems. Designed to work with fuse disconnectors and busbars, it provides reliable transmission of current information to control and measuring devices and protective devices. Accuracy class 1 guarantees precise measurements, which is particularly important in applications requiring high data reliability.

Construction and practical application

The through-type current transformer is characterized by a solid construction and easy mounting on a DIN rail or mounting plate. Its aperture diameter is 20 mm, allowing it to work with cables of various cross-sections. It is designed to operate in circuits with a rated primary current of 100A, and its rated secondary current is 5A. This makes it ideal for monitoring the load in electrical installations of commercial buildings, industrial facilities, and in energy distribution boards. The use of the transformer enables safe and effective load monitoring and a quick response in the event of overloads or short circuits.

Key features and benefits

• High accuracy: Accuracy class 1 ensures precise current measurements, which is important for the proper operation of protection and control systems.
• Safety of use: It has protection against touch, minimizing the risk of electric shock during operation and maintenance.
• Versatility: The possibility of mounting on a DIN rail or mounting plate facilitates integration with various types of electrical installations.
• Solid construction: Made of high-quality materials, it ensures durability and reliable operation even in harsh environmental conditions.
• FS 5 burden factor: Allows for short-term loading of the transformer with a current higher than the rated current without damaging the device – important when starting motors or other loads with high starting current.
• Screw connection: Provides a secure and reliable connection of secondary wires.
• Small dimensions: Compact size allows installation in limited space of the switchgear.

Thanks to these features, this transformer is a reliable tool for installers and end-users looking for a precise and safe solution for current measurement in their electrical installations.