An example would be a SSP (SuperSandPorpoise)
A. Isolation of the device
No, a circuit protection device must open the circuit on a fault current or overload.
A device with an overload protection used to control a motor is an Overload Relay.
An umbrella
yes it is
A circuit breaker is an overcurrent device that can be reset after it has opened.
A child protection device can be a number of things. It is basically any device that is made with the intent of protecting a child. Car seats, the things you block wall outlets with, and the caps on prescription bottles are all types.
Patent
Trademark
3
As long as you do not have password protection on, there is a little slide tab at the non USB end of the device that has a tiny lock/unlock symbol. Slide that with a paper clip to the unlocked to turn off write protection.
Supply transformers at substations are provided with circuit-breakers for protection.