Miniature current transformer with openable core 100-5A class 1 TOM-100-5

Current transformer with opening – precise measurements in your installation

This miniature current transformer with an opening core is a reliable tool for measuring current in electrical circuits. The design with a through-hole allows for easy installation without the need to interrupt the circuit, which is especially important during the modernization of existing installations. The transformer is designed to work with measuring and control devices, converting high current intensities into safe and measurable values.

Construction and application

A through-type current transformer with an opening core, with a transformation ratio of 100/5A, finds application in energy consumption monitoring systems, overload protection, and applications requiring precise current measurement. Accuracy class 1 guarantees high reading reliability, which is crucial for the correct operation of measurement systems. The opening core facilitates mounting on the wire without the need to disconnect it – saving time and minimizing the risk of errors during installation.

Key features and benefits

• Opening core: allows mounting on existing wires without interrupting them, which greatly simplifies installation and minimizes downtime.
• Accuracy class 1: ensures precise and reliable current measurements, essential for the proper operation of monitoring and protection systems.
• Rated primary current 100A: designed to work with circuits with high current intensity, typical for industrial and commercial applications.
• Rated secondary current 5A: standard secondary current value, compatible with most meters and relays.
• Rated power 1.5 VA: ensures stable operation of the transformer under nominal load.
• Hole height and width (35 mm x 67 mm): allows mounting on wires of various diameters.
• Screw connection: provides a secure and durable electrical connection of the secondary circuit.
• Protection class IP20: protects against accidental contact, ensuring safety of use.
• Wide operating temperature range (-15°C to +45°C): allows operation in various environmental conditions.

This transformer complies with IEC 60044-1, which confirms its quality and safety of use. Made of high-quality materials, it guarantees long-lasting and reliable operation in demanding industrial conditions.