Solid-core current transformer with current ratio 250/5 and accuarcy class 0.5 at 5 VA. Test voltage 3 kV at 50 Hz/1min and insulation class E (120 deg C). Equipped with a sealable terminals cover for secondary terminals. Housing material: self-extinguishing thermoplastic resin V0. Dimensions of CTPROXT type are 96Hx45Wx69D mm with cable diameter opening of 18 mm and bar through 20x10 mm. Can be adapted to all common mounting systems: primary cable, primary busbar, DIN rail and wall-mounting.