Hager ADA320 RCBO Flexible Dual RCD Boards And Devices - 20 Way\r\nDesigned for use in 17th Edition, Hager domestic consumer units, the ADA306 RCBO protects against both earth leakage and fault, preventing injury to humans and saving devices from current overload.\r\nThe new ADA RCBOs offer all the same functionality of the ADN range but in the more convenient compact size of a traditional MCB.