Solid-core current transformer with current ratio 300/5 and accuarcy class 0.5 at 4 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 CTMAX type are 111Hx70Wx69D mm with cable diameter opening of 30 mm and bar through 30x15 mm and 40x10 mm. Can be adapted to all common mounting systems: primary cable, primary busbar, DIN rail and wall-mounting.