Surge Immunity Protection - MOV Calculation
MOV (Varistor) is important components which helps in surge protection. It protects electronics appliance against lightening surge. A good knowledge plays important role in MOV selection.
Below video explains step by step calculation for MOV selection. After watching this video i am pretty sure that you will be able to select the MOV as per your specification.
IEC6100-4-5 defines the surge immunity level.
Thanks !