The V-Check RPT range of surge protective devices has been designed for combined protection both against transient and permanent (a.k.a. TOV) overvoltages in three-phase TT power networks, actuating the emission coil.
CPT Code
Reference
Description
Technical Info
77706415
V-CHECK 4RPT
Protector against transient & permanent overvoltages (combined), type 2, 40 kA and three-phase (four-pole).