Two-pole ultrasound switches of test class I+II+III of combined type for networks with earthing system of TN-S, TT type. U0 = 230/300 V AC/DC . Iimp(L/N) (10/350)= 25 kA, Iimp(N/PE)(10/350)= 50 kA.
With remote signalling. Installed within 0A(V) - 1 zone of lightning protection (in accordance with GOST R IEC 62305-1 and SO-153-34.21.122). They are intended for protection of equipment in low-voltage power distribution systems up to 1000 V at air or cable power input.
They are made according to the scheme for protection against transverse overvoltages in the circuits "wire to wire".
Tell us what you need and get quotes from verified suppliers