Lightning arrester, type 1, 12.5 kA, lightning protection class III and IV, for 3-wire networks (L, N, PE), UC 335V/264 VAC (L-N/N-PE), mechanical defect indication
Lightning arrester, type 1, 12.5 kA, lightning protection class III and IV, for 3-wire networks (L, N, PE), UC 335V/264 VAC (L-N/N-PE), mechanical defect indication