279335
0
Box used in fire alarm systems. It has E90 fire resistance. Intended for connecting signaling devices as well as loudspeakers, wired broadcasting systems, smoke dampers, etc.. It is characterized by a straight and angular way of routing the signaling line. The purpose of the box is to ensure the continuity of the signal line after the signaling device burns out and to prevent the signaling devices located outside the fire zone from being disabled.