Hi ColJack
It is a 13way dual RCD crabtree starbreaker board with 3 spares on RCD1 and 2 spare on RCD2 ...all RCD protected.
If the SWA is RCD protected and this then goes into a garage unit with a 40A 30mA RCCB as a main switch will it cause problems? I didn't think you could have 2 RCD's...