The shell is made of brand new PC material, which is impact resistant, impact resistant and has a long service life.The back guide rail type insert installation design can be flexibly adjusted.Intelligent chip is adopted to the anti-interference performance.Functions:1.Over-voltage protection2.Under-voltage protection3.Over-current protection4.Automatic 5.Voltage display(voltage measurement)6.Current display (current measurement)Product Parameters:Rated voltage: 220VRated current: 63AAutomatic reset delay time: 1-300S adjustableUndervoltage action value: 140V-210VOvervoltage action value: 140V-210VOvercurrent action value: 1A-63AReset delay time after overcurrent protection: 1S-400S adjustableType: Circuit breakercolor:Gray-whiteMaterial:PCPackage Contents:1 x Short circuit protectorOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.