83120225

Surge arrester type 1 + 2 12KA Uc 255V, according to EN 61643-11 for the 40mm busbar system in the meter space, with spark gap technology, energetically coordinated protective effect for the end device (gleich kleiner 5m) type 1 + 2 + 3 for TNC systems (circuit variant 3 + 0 ). Function control by button with indicator light, switch-off for 35 A gL / gG fuses up to 25 kArms short-circuit current, lightning current (10/350): 37.5 kA, nominal discharge current (8/20): 20 / 60kA, protection level: gleich kleiner 1.5kV, protection level , Degree of protection: IP20, for use in the main power supply system in residential buildings with external lightning protection (lightning protection class III + IV)