This series optical cross-connection cabinet is mainly made up of Stainless Steel or SMC case, fixing elements of the case frame, cable fixing and protective device, direct welding module, terminal module integrating welding and distributing, wiring duct and tail optical fiber. This series optical cross-connection cabinet is mainly made up of Stainless Steel or SMC case, fixing elements of the case frame, cable fixing and protective device, direct welding module, terminal module integrating welding and distributing, wiring duct and tail optical fiber. Our flexible distribution boxes enable reliable, decentralised signal transmission and power transmission up to protection class IP67 – wherever passive distribution boxes are required. High-quality materials and robust product designs ensure a reliable connection, signal transmission and power. For seamless consolidation, distribution, and management of power supply. Find distribution boxes that are designed to perform and last longer. Himel supplies affordable electrical offers that create value for. IEC 61439 is a standard developed by the International Electrotechnical Commission (IEC) that covers design verification for low-voltage electrical products and assemblies. You can find fiber splice boxes and. Company Introduction:Established in 1987, CHANGAN GROUP Co.