Protection device against impulse overvoltages GSK3-230/10 3+1 C, cat.no.300 037.

Four-pole modular surge arresters of test class III, combined type. U0 = 230 V AC. Uoc (1,2/50) = 6 kV. They are installed within II - III lightning protection zones (in accordance with GOST R IEC 62305-1 and SO-153-34.21.122). Designed to protect equipment from residual surge surges for circuits with TNS type earthing system. Visual control of the operating state of the surge arresters is carried out by means of a red-coloured indicator on the replaceable modules. For remote control the devices are equipped with a dry contact for remote signalling.