Further information for Phoenix Contact Phoenix 1380660 combination arrester type 1 2 3 - FLT-MB-T1-264/12.5-3+0-UT-R
Leakage current-free, non-pluggable spark-gap-based lightning current/surge arrester for 3-phase power supply networks with common N and PE (4-wire system: L1, L2, L3, PEN), for use in the pre-meter area, for lightning protection classes III and IV, with remote signaling.