The State Grid Corp. of China (SGCC), the largest electric power transmission and distribution company in China, has selected Moxa’s IEC 61850-3 Ethernet switches for use in substation automation and smart grid applications. Hundreds of Moxa’s PowerTrans series of IEC 61850-3 compliant industrial Ethernet switches will be installed in 500/220 kV high voltage substations. Moxa’s PowerTrans series of products are specifically designed to operate reliably in harsh electric utility substation environments. The entire product line has passed IEC 61850-3 and IEEE1613 certification testing conducted by KEMA, and features strong EMI immunity, -40 C to 85 C operating temperature range and redundancy functions for complex, high voltage substations.