Current transformer AST4B312

instrumentdryinterior

Dimensions: 68 x 87 x 34 mm Round conductor: Ø 26 mm Primary bar: 30 x 10 mm General Mechanical Feature • unbreakable plastic casing, polyamide • difficult to inflame, according to UL 94 V0 and selfextinguishing • nickel-plated secondary terminals with plus minus screws (2 Nm) • integrated secondary terminal caps General Electrical Features • rated frequency 50-60Hz (other frequencies on request) • class of insulation E (other classes on request) • rated short-time thermal current Ith = 60 . IN • nominal surge current Idyn = 2.5 . Ith. • highest voltage for equipment Um = 0,72kV (other voltages on request) • rated power-frequency withstand voltage 3kV/1min • instrument security factor FS5 or FS10 Accesories (please indicate in the order): • Mounting feet (2 pieces) or • primary fixing device Special executions (On request): • Other ranges, classes or rated burden VA.