N/a manufacturer / supplier in China, offering 4kv Isolation LAN Transformer with Poe Plus Plus and Pass Surge 6kv K21-2.1.1b Surge, High Isolation Network 10/100/1000 Base-T Transformer for 3kv-5kv with EMI Filter, Compliant with Most IC’s for Ethernet Applications Such as Microchip,, Replace We-Ppti Push-Pull Transformers for 760390014, Isolated Interface Power Supply for Can, RS-485, RS-422, RS-232, Spi, I2c, Lower-Power Lanindustrial Auto and so on.