BLUM ELECTRICAL INDUSTRIES PRIVATE LIMITED, the pioneer in the manufacture of Surge Arresters. Established in 1970 .OBLUM started manufacture of conventional Silicone Carbide Arresters followed by Current Limiting Gapped Arresters during 1970, and there on entered into the manufacture of solid state Metal Oxide Surge Arresters during 1980. OBLUM offers complete range of surge arresters form L.T to ultra high voltage surge Arresters (0.5kV to 1200kV).