通用型：FR-E740-0.75K      FR-E740-1.5K      FR-E740-2.2K

FR-E740-3.7K       FR-E740-5.5K      FR-E740-7.5K

FR-E720-0.4K       FR-E720-0.75K     FR-E720-1.5K

FR-E720-2.2K       FR-E720-3.7K      FR-E720-7.5K