19 Useable Way Main Switch RCBO Consumer Unit MK Sentry Y5721SMET Backed out and captive combi-head screws Colour-coded earth and neutral terminals Additional height for circuit cable connection Multiple extra large knockouts The MK Sentry consumer unit offers convenience and safety with its backed-out and captive combi-head screws. Colour-coded earth and neutral terminals make installation easy, while the additional height allows for easier circuit cable connection. Plus, the multiple extra-large knockouts provide flexibility for various wiring configurations.. Colour White Current Rating 100A Depth 116mm Dimensions (H)244 mm x (W)472 mm x (D)116 mm Guarantee 10 Years Height 244mm Incoming Device 100A Isolator Material Steel Mounting Surface Number of Modules 21 Number of Outgoing Ways 19 Standards BSEN61439-3 Surge Protection Fitted Yes Voltage Rating 230V Weight 2.78kg Width 472mm