Product FinderType1Installation BoxType21 input / 4 outputs1 input / 5 outputs1 input / 7 outputsAC 166 GVB 8/3 SWOrder No. 28027Installation Box 1 input / 7 outputs, 3 pole, coding: 1 (mains) blackAC 166 GVB 6/3 SWOrder No. 28028Installation Box 1 input / 5 outputs, 3 pole, coding: 1 (mains) blackAC 166 GVB 5/3 SWOrder No. 28029Installation Box 1 input / 4 outputs, 3 pole, coding: 1 (mains) black