FuseBox F2004RB 6 Module 4 Way Metal Unpopulated + 63A 30mA Type B RCDFuseBox F2004RB 6 Module 4 Way Metal Unpopulated + 63A 30mA Type B RCD REPLACEMENT CODE FOR THIS ITEM: F3004RB RCD Incomer An RCD Incomer allows the protection of isolating both poles of the incoming supply with the protection of a 30mA RCD, a great way to add additional board in workshops, garages, garden offices and sheds which use small numbers of circuits. This item is 6 Module 4 Way with 63A 30mA Type B RCD Features RCD Incomer Unpopulated 63A