Solid-core current transformer with a current ratio of 1000/5 and accuracy class of 0.5 at 20 VA. It has been tested at a voltage of 3 kV and frequency of 50 Hz for 1 minute, meeting insulation class E (120 deg C) standards. The transformer is equipped with a sealable terminals cover for secondary terminals. The housing material is made of self-extinguishing thermoplastic resin V0. The CT6 type has dimensions of 121Hx105Wx61D mm with a cable diameter opening of 50 mm and a bar through size of 60x20 mm. It can be easily adapted to various mounting systems including primary cable, primary busbar, DIN rail, and wall-mounting.