Surge arrester class II / type 2 / C, 1-pole, varistor, Uc - 275 V AC, max. discharge current Imax - 40 kA (8/20 ?s). Terminals: L/N-PE. Dimensions: 90 x 18 x 72mm. Replaceable varistor insert. Housing - installation module. Mounting on a 35 mm rail. IP 20.