For LV installations, especially to sub-distribution boards. Protection of installation and devices against impact of induced surge during
a lightning strike or switching surges.
SLP-275 V/3(S)+1
Un = 230 V AC
(In = 20 kA (8/20 μs
(Imax = 40 kA (8/20 μs
Up ≤ 1.35 kV
For three-phase TT systems
S) remote status signaling version)