Intended use: SATEL. The construction compliant with EN50131, Grade 3. External dimensions of the enclosure: W=325, H=400, D=100, D1=15 [+/- 2mm]. Fitting battery: 17Ah/12V. Tamper protection: tamper – opening of the enclosure. Notes: surface mounted enclosure, without a transformer, locking – bolted, distance from the wall - 15mm.