W T HENLEY SINGLE POLE AND NEUTRAL UNITS MAYBE COMBINED FOR 3 PHASE SET UP (IE BUY 3)100AMP HOUSE CUT OUT FUSE CARRIER AND BASECHOOSE FUSE OPTIONS FROM DROP DOWN MENU60AMP 80AMP 100AMP OR NO FUSE FUSE MESUREMENTS 30.16DIA X 57MM LONG SERIES 7 B.S. 88-3 PART NO 54138-12SINGLE POLE FUSE CARRIERSTANDARD MAINS CUT FUSE UNIT CENTRE FIXING POINT (SCREW SUPPLIED)ALLEN KEY REQUIRED FOR ELECTRICAL TERMINAL (NOT SUPPLIED)