83120226

Surge arrester type 1 + 2 7KA 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 TT and TN-S 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): 30 kA, nominal discharge current (8/20): 20 / 80kA, protection level: gleich kleiner 1.5kV, protection level, protection class : IP20, for use in the main power supply system in residential buildings with external lightning protection (lightning protection class III + IV)