MK Electric K5666S MAG 17ED 12 Way Sentry split load consumer unit with split load dual/triple RCD arrangement insulated surface. Accepts a further 10 one module products in any configuration of RCD protected and unprotected circuits across. All units are magnolia coloured. All units are pre-fitted with a switch disconnector and either two or three RCDs together with all necessary split-load cabling. All units have the capacity to substitute protected with unprotected circuits for use with fridges, freezers, burglar alarms and other critical circuits. MK recommends the use of RCBOS for non RCD protected circuits to comply with the 17th Edition of the wiring regulations.