Introduction
WDH-31-210 motor protection controller can support 5 programmable switch inputs (dry contacts) and 4 programmable relays. All input and output functions are programmable to meet different protection and control requirements on site. All protection functions can be set with alarm value and action value at the same time, and can be switched on and off separately. Protection parameters can be set by professionals according to the actual working conditions of the motor on site, so that power loss will not be lost.