Socket outlet box NAP504, three-phase continuous with internal phase rotation for outgoing is branched into one double socket outlet. The socket outlet box can be fixed e.g. to the installation plate by screws, max. ø 6 mm, four holes in the corners of the box. The boxes can also be fixed with two cable ties from the clamps on the box base. The third way of fixing is by using the so-called snap-on pins, for which there are four fixing holes on the box base. Weight 307 g.