Turns-counting Dial Nomenclature, Selection GuideMA10-55Special graduations are available on request. MB10-25BMF10-15YBMG20-22B DB10-26BDC10-27BStandard type.(round window)DC10-27BFKFlange type.(square window) Read-outModel No.OuterDimensions(mm)Max.Number OfTurns-CountingMatching ShaftDiameter(mm)CombinableHelicalohm Pot.LockDevice AnalogMAMAn-55Φ543, 5, 106, 6.3525HP, 46HDNoMBMB10-25BΦ26103, 3.175, 4,6, 6.3510HP, 12HPC, 12HP,20HP, 25HP, 46HD,12HHP, 20HHPYesMFMF10-15X(Y)B15×18.5103, 3.175, 410HP, 12HPC, 12HP,25HP, 12HHPMF10-15X(Y)BDMF20-22BΦ22203, 3.175, 4,6, 6.3510HP, 12HPC, 12HP,20HP, 22HP, 25HP,20HHP, 22HHP, 46HD,12HHPMF20-46BΦ46206, 6.3520HP, 22HP, 25HP,20HHP, 22HHP, 46HDMGMG20-22BΦ22203, 3.175, 4,6, 6.3510HP, 12HPC, 12HP,20HP, 22HP, 25HP,20HHP, 22HHP, 46HD,12HHPMG20-22BADigitalDADA10-24BΦ24106, 6.3520HP, 25HP, 20HHP,25HP, 46HDDBDB10-26B26×43.5106, 6.35,3, 3.175, 420HP, 22HP, 25HP,20HHP, 22HHP, 46HDDB10-26BDDCDC10-27B27×31.510622HP, 22HP-N,25HP-D, 22HHP,22HHP-NDC10-27BF30.5×31.5DC10-27BK27×31.5DC10-27BFK30.5×31.5The items with mark of "" is low-cost version. NOTE : (1)Our multi-turn potentiometers cannot always combine with our turns-counting dials and therefore, please duly check with above table when ordering.(2)If you combine other manufacturers' multi-turn potentiometers with our turns-counting dials, please consult us for your best selection.(3)Recessed Mounting Adaptors for use with our DA digital dial are available: A type (without lock device) and B type (with lock device)