Intended use: SATEL. Enclosure external dimensions: W=425, H=450, D+D1=145+8 [+/-2 mm]. External dimensions of the front panel: W1=430, H1=455 [+/-2 mm]. Transformer: TRP 80VA/16V/18V/20V, IP30. Fitting battery: 28Ah/12V. Tamper protection: tamper – opening of the enclosure. Notes: surface mounted enclosure, locking – bolted x4, distance from the wall - 8mm.