F3011MZ 11 WAY (100A Main Switch) SPD T2Overview The FuseBox F3011MZ consumer unit features 11 usable ways and comes with 100A Main Switch Incomer, Type 2 Surge Protection, and a 32mm tails clamp. As with all of the FuseBox T2 Surge Protected consumer units, the F3011MZ has ample space internally for installing both the mini and standard height RCBOs. Additional features include captive screws on the front cover, round knockouts on all four sides along with 2 large rectangular knockouts on