Single-pole surge arresters of test class III, combined type. U0 = 230 V AC.
Uoc (1,2/50) = 15 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 TN-S earthing system. Visual control of the operating state of the surge arresters is carried out with the help of a green-coloured LED in the thermal release circuit.
For remote control, the devices are equipped with a dry contact remote signalling.
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