Abstract: An electric connection device including a first electric connection element, a second electric connection element, a locking and unlocking mechanism configured to couple and uncouple the first and the second connecting elements following the rotation of one with respect to the other, a secondary safety locking mechanism, configured to prevent the rotation of the first and of the second connecting elements one with respect to the other and the consequent separation of the two elements, and further comprising electrical contact associated with the connecting elements and configured for controlling an auxiliary circuit connected thereto, and actuating element configured to actuate the electrical contact.

Abstract: An electric connection device is described, comprising: a first electric connection element (10), a second electric connection element (12), a locking and unlocking mechanism configured to couple and uncouple the first (10) and the second (12) connecting elements following the rotation of one with respect to the other, a secondary safety locking mechanism, configured to prevent the rotation of the first (10) and of the second (12) connecting elements (10) one with respect to the other and the consequent separation of the two elements (10, 12), and further comprising electric contacting means (25) associated with the connecting elements (10,12) and configured for controlling an auxiliary circuit connected thereto, and actuating means (26, 34) configured to actuate the electric contacting means (25).