范圍限于吊鎖纏索輪、機器等，該類旋轉機件提供有一個微量調整工具可依據不同要求分別開啟或閉合觸點，FGR.B版本配有一個使用編碼器的同心軸

標準版本

凸輪/驅動軸

REV比                      帶有4個微型開關              帶有6個微型開關              重量G               *小包裝數量

1/12                          FGR2006                         FGR20006                  1.100                     1

1/33                          FGR2007                         FGR20076                   1.100                    1

1/50                          FGR2008                         FGR20086                   1.100                    1

1/100                        FGR2009                         FGR20096                   1.100                    1

1/200                        FGR2010                         FGR20106                   1.100                    1