RSP-T2-AC/3P
The Relpol RSP-T2-AC/3P is surge arrester for AC installations, type T2, number of poles 3. Class II/B. Rated discharge current In: 20kA (8/20), maximum discharge current Imax: 40kA. Maximum continuous operating voltage Uc: 275V AC.
The protection capability of RSP-T2-AC/3P is defined by the surge-current, operating-voltage, pole and class/type values stated above. Those exact ratings should be matched to the protected AC installation and its required lightning/surge protection level.