A device to protect an induction motor?
It so called motor protection switch:



You have to buy one with a range that spans your motor's rated current. As you see on the photo, there is a knob to adjust the rated current. This will protect against overload and short circuit. However it won't protect the motor against over temperature. For this you will need a motor with integrated temperature sensor and additional protection module. But in most cases the extra temp. protection is not needed.