E4 series inverter 1, E4-H series for heavy load series, overload capacity of 150% 1 minute; 2, E4 series does not standard communication 485 interface, if you need to increase the communication function, please specify in the order; 3, E4 series does not support built-in brake unit program; Widely used in ceramic cement, power plants, glass, packaging, printing, cables, water treatment and other transmission and fan control.