A metal glazed film is deposited on a high grade ceramic body. After a helical groove has been cut in the resistive layer, tinned electrolytic copper wires are welded to the end-caps. The resistors are coated with a light blue lacquer which provides electrical, mechanical, and climatic protection.
UL Approved (UL1676, file no: E171160)
Meet the safety requirements of: - IEC 60065 - EN 60065 - VDE 0860 - CQC (China)