The BMRX or MAXIMA+ is a side-mounted rotary paddle level switch. This horizontal rotary extension is applicable for installing a rotary on the side of a bin wall like in concrete silos with 12 thick. It has extension design that enables the rotaries to be horizontally mounted having low-risk of damage on its operation. The optional assembly contains an expanded drive shaft guards. This aims the shaft is in center and BinMasters no packing seal at the end of the shaft.