Safety guard, in particular of the relay type, for the supply of electrical security

摘要

An electromagnetic safety relay for the supply of safe power sockets P, of the type which include power contact blades 13, 14 which come together under the action of an electromagnetic coil B on one of the said power contact blades 13, furthermore comprises so-called rest blades 11, 12 short-circuiting two lines supplying the said socket P when the said power contact blades 13, 14 remain bonded together after eliminating the action of the said coil B, and destroying at least one fuse F placed in series in at least one of the said lines 1, 2 upstream of the said relay, this having the effect of de-energising the socket P. There are numerous applications in the general electrical field, in particular in the field of the equipment for buildings. IMAGE