Current transformer - three-phase, rated voltage 720V AC, 600/5A TP-600-5

Three-phase current transformer – precise measurement and installation protection

This three-phase current transformer is a reliable tool for measuring and monitoring current in electrical installations. Designed for both industrial applications and public buildings, it provides safe and accurate readings, enabling energy consumption optimization and protection against overloads. The open-core design simplifies installation without the need to interrupt the circuit.

Key features and application

The transformer with a ratio of 600/5A, made in accuracy class 1, is ideal for cooperation with ammeters, energy meters and monitoring systems. Its main task is to reduce the high primary current (up to 600A) to a safe secondary value (5A), enabling precise measurements without directly loading the measuring devices. This allows for effective monitoring of network load, detection of irregularities and prevention of failures.

• Safety and precision: Accuracy class 1 guarantees reliable measurement results, and touch protection minimizes the risk of electric shock.
• Easy installation: The split-core allows installation on existing wires without the need to disconnect them – saving time and costs.
• Wide application: Ideal for energy consumption monitoring systems, overload protection and cooperation with various measuring devices.
• Durable construction: Designed to operate at temperatures from -5°C to 40°C, ensuring reliability in various environmental conditions.
• Compliance with standards: Meets the requirements of IEC 60044-1, confirming its quality and safety of use.

Technical parameters and construction

The transformer is characterized by a solid construction and high quality of workmanship. Made of durable materials, it ensures long-lasting and trouble-free operation. The secondary circuit connection is realized by means of convenient screw terminals (4 mm²), which facilitates connection to measuring devices. The height and width of the opening are 31 mm x 31 mm, which ensures compatibility with various types of wires and busbars. The rated secondary apparent power is 3.75 VA, and the overload factor is FS 5 – an important parameter for applications exposed to short-term current surges. The thermal short-circuit current (lth) is 60 x In and the dynamic short-circuit current (Idyn) is 2.55 x lth, which indicates resistance to overloads. Mounting is possible on a DIN rail, panel or directly on the wire. The degree of protection IP20 provides protection against touching and against the ingress of solid objects larger than 12.5 mm.