Combined arrester type 1+2+3 with function indicator, for tool-free installation on the 40 mm busbar system with overcurrent-protected voltage tap (L and N) using a 25 kA B6A circuit breaker for RfZ and APZ according to the application rule VDE-AR-N 4100.
Application: Buildings without external lightning protection and to meet the requirements for overvoltage protection of the electrical system according to DIN VDE 0100-443.