Connection device for supplying energy to the safe intrinsic, in particular by telephony and in the mine

摘要

P & this connection device is intended to form a supply of energy is safe intrinsic, in particular for the power supply unit box of telephony or transmission of data at the bottom of the mines. It comprises a transformer which can be connected, for example a lighting installation of the size, a converter of the protection and possibly a part composed of signal processing circuits. The converter of the protection device 1 is constituted by a module which can be incorporated into an existing device, and is disposed in a casing (anti - explosion protection 2 of a manner that its face 14 a safe intrinsic or wrapper directementt against the wall 7 of the housing. / p