Housing in the standard version has DIN rail installed at the bottom, with a length of 315mm. The housing also has an additional mounting plate designed to mount transformers, or power supply units. In casing there is a place for 17Ah/12V battery. Equipped with a tamper (to detect the opening of the housing). There is also the possibility of installing additional tamper on the side of the wall, signalling an attempt to detach casing from fixings. Normally closed housing is bolted by 2 screws from the front. The front face of housing has stamping allowing the lock assembly. In the lower part there is a 8mm spacer to allow comfortable wiring for the equipment installed in the housing. Dimensions: 360 x 365 x 105 mm.