Question

an automated opprated electric Switch, that prevents an electric circuit during an overload or short circuit answer in one word​

Answer 1

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An automated opprated electric Switch, that prevents an electric circuit during an overload or short is called a circuit breaker.

Explanation:

What is a Circuit breaker ?

It is an electromechanical device designed to automatically open one or more ungrounded circuit conductors in the event of a fault.

Working of a circuit breaker

They use thermal action and a bi-metallic strip to protect from overload conditions, and a magnetic sensing coil to protect against overcurrent situations. 

One Basic Function of a Circuit breaker

Its basic function is to interrupt current flow after a fault is detected.