Further information for Phoenix Contact Phoenix 1380661 combination arrester type 1 2 3 - FLT-MB-T1-264/12.5-3+1-UT
Leakage current-free, non-pluggable spark-gap-based lightning current/surge arrester for 3-phase power supply networks with separate N and PE (5-wire system: L1, L2, L3, N, PE), for use in the pre-meter area, for lightning protection classes III and IV.