True or False: The rating that defines the capacity of a protective device to maintain its integrity when reacting to fault currents is termed its voltage rating.

The statement is false because the capacity of a protective device to maintain its integrity when responding to fault currents is not determined by its voltage rating, but rather by its interrupting capacity or current rating. The interrupting capacity indicates the maximum fault current that the device can safely interrupt without being damaged or failing, while the voltage rating specifies the maximum voltage level the device can handle.

When it comes to overcurrent protection devices, like circuit breakers or fuses, their ability to perform correctly under fault conditions is fundamentally linked to their current ratings and interrupting capacity, rather than the voltage at which they operate. This distinction is crucial for ensuring electrical systems are adequately protected from overloads and short circuits.