What is the difference between isolator and contactor?

What is the difference between isolator and contactor?
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1 Answer

Answer :

Contactor is used for on load operation. Because they are fast acting devices. They posses arc chamber and arc chutes. Arc chamber and arc chute make it easy to extinguish the arc produced during on load operation. 


Isolator is off load devices. Because they are slow acting devices. The arc time is more in slow acting devices and operated only in off load. 

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