The Split-core current transformer is designed with a current ratio of 250/5 and an accuracy class of 0.5 at 1.5 VA. It has been tested at a voltage of 3 kV and operates at a frequency of 50 Hz for 1 minute. The transformer has an insulation class E, which can withstand temperatures up to 120 degrees Celsius. To ensure safety and security, the transformer is equipped with a sealable terminals cover for the secondary terminals. The housing material used is self-extinguishing thermoplastic resin V0, providing durability and protection. In terms of dimensions, the CT30 type measures 106 mm in height, 93 mm in width, and 34 mm in depth. It features a vertical bar through opening measuring 2x30x10 mm. This versatile transformer can be easily adapted to various mounting systems including primary cable, primary busbar, DIN rail, and wall-mounting options.