3 Phase Ammeter Selector Switch Connection Diagram in Tamil

to measure 3 phase motor current we need 3 current transformer and 3 ammeter while using ammeter selector switch we can measure 3 phase current in one ammeter
just insert 3 current transformer (CT) and join 3 CT one of the lead and connect to A2 point of the ammeter and connect R , Y , B CT another lead to the the selector switch R Y B and output of the selector switch is connect to the ammeter A1 point , then we can measure R Y B current individually in ammeter while changing the selector switch.

Видео 3 Phase Ammeter Selector Switch Connection Diagram in Tamil канала Electro BEHIND