Patent ID: 8221150

Claim:
An electrical connection device comprising: an active base comprising at least one power contact; a plug comprising at least one power contact; said at least one contacts being connectable to each other when the plug and the base are coupled in a connection position; a pilot circuit comprising pilot contacts; an actuator for switching on or switching off power to the at least one power contact of the base via closure and opening of the pilot circuit; the actuator being movable between at least one locking position and at least one unlocking position; and a locking arrangement for locking and unlocking portions of the plug and the base in the connection position, wherein the electrical connection device comprises the following modes of operation: the actuator is in a position closing the pilot circuit, while the locking arrangement locks the portions of the plug and the base; the actuator is in a position opening the pilot circuit, while the locking arrangement unlocks the portions of the plug and the base; when the locking arrangement is in a locked position, the plug and the base are prevented from being separated; and when the actuator is in the at least one locking position, the locking arrangement is prevented from unlocking the portions of the plug and the base.