GSK123-230/25 1+1 C (LT) surge protection device, Cat.No.123 104.

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".