Designed for mounting on the wall. NF3239 is the 9 output version of NF3230 model family. This have seperate relay outputs and you can control up to 7A 250VAC, 10A120VAC or 10A 24VDC. You can control more power and three phase deves by adding Contactors. Cou can control outputs by telephone codes or by pressing buttons on NF3239. Designed for internal use. Protection class IP00. Dimensions 191x138x57mm.