The Split-core current transformer has a current ratio of 400/5 and an accuracy class of 0.5 at 2.5 VA. It can withstand a test voltage of 3 kV at 50 Hz/1min and has an insulation class E (120 deg C). The transformer is equipped with a sealable terminals cover for the secondary terminals. Its housing material is made of self-extinguishing thermoplastic resin V0. The dimensions of the CT30 type are 106Hx93Wx34D mm, with a vertical bar through opening measuring 2x30x10 mm. This transformer can be adapted to all common mounting systems, including primary cable, primary busbar, DIN rail, and wall-mounting.