Quick view SIEMENS, 3 Pole, 240/415V... Lightning arresters, Type 1 requirement class B, UC 350V Pluggable protective modules 3-pole, 3+0 circuit for TNC systems with remote display.
Quick view SIEMENS, 3 Pole+N, 240/415V... Lightning arresters, Type 1 requirement class B, UC 350V Pluggable protective modules 4-pole, 3+1 circuit for TN-S and TT systems with remote display.