Current transformer CTR-30 50/5 CL.1 004805500

Current transformer for control and measurement systems

Current transformer CTR-30 50/5 CL.1 is a reliable and proven device used in control and measurement systems, network parameter analyzers, and automatic power factor correction (PFC) systems. Its design and parameters make it an essential component in both industrial installations and more advanced energy consumption monitoring systems.

Construction and application

Through-hole transformer with a passage diameter of 30.5 mm, designed to work with primary currents up to 50A. It converts this current into a secondary signal of 5A with a power of 1.25 VA, enabling safe and accurate measurements by measuring devices. Accuracy class 1 ensures the reliability of readings, and the solid construction guarantees long-lasting and trouble-free operation. The use of current transformers allows measuring large currents without the need to directly connect measuring devices to high-voltage circuits – increasing safety and comfort of work.

Key features and benefits

• Versatility: Suitable for use in various control and measurement systems, from simple network parameter analyzers to advanced PFC systems.
• Safety: Enables measurement of large currents without directly exposing measuring devices to high voltage.
• Accuracy: Accuracy class 1 ensures reliable and accurate measurements, which is crucial in applications requiring high accuracy.
• Solid construction: Made of high-quality materials guarantees durability and resistance to environmental conditions. The polycarbonate housing with fiberglass (flame retardancy UL 94V-0) further increases safety.
• Easy installation: Thanks to the included brackets, direct mounting on the busbar or mounting plate is simple and quick.
• Connection terminals: Equipped with a cover (IP20) and adapted for universal connection of wires.

Additional information: Maximum system voltage 720V, operating frequency 50/60Hz, operating temperature from -20°C to +45°C. Thermal short-circuit current (Ith) is 60 x In, and dynamic short-circuit current (Idyn) is 2.5 x Ith – these parameters demonstrate the transformer's resistance to overloads and short circuits in the installation.