Electronic handle for a vehicle door and vehicle door

An electronic handle for a vehicle door includes a bracket, a grip movably mounted on the bracket between a first position and a second position, the grip configured to move from the first position to the second position when a pulling force is applied on the grip by a user, a magnetic retainer configured to hold the grip in the first position, an electronic system configured to electronically cooperate with a latch for opening the vehicle door when activated in a first configuration corresponding to a normal use, and a back-up system configured to cooperate with the latch for opening the vehicle door when activated in a second configuration corresponding to an emergency or a lack of electrical power. The electronic system is configured to activate in response to a detection of a pulling force applied on the grip that is lower than a predetermined force.