三菱FR-D740系列 FR-D740-3.7K-CHT 3.7KW
三菱变频器FR-D740系列具体型号如下：  
FR-D740-0.4K-CHT，FR-D740-0.75K-CHT，FR-D740-1.5K-CHT，FR-D740-2.2K-CHT，  
FR-D740-3.7K-CHT，FR-D740-5.5K-CHT，FR-D740-7.5K-CHT

FR-E740 系列, 3相 380V 50HZ 等级, 轻巧通用型 （150% 60秒 过载能力）] -
FR-E740-0.4K-CHT 0.4KW 1.6A
FR-E740-0.75K-CHT 0.75KW 2.6A
FR-E740-1.5K-CHT 1.5KW 4.0A
FR-E740-2.2K-CHT 2.2KW 6.0A
FR-E740-3.7K-CHT 3.7KW 9.5A
FR-E740-5.5K-CHT 5.5KW 12A
FR-E740-7.5K-CHT 7.5KW 17A
FR-E740-11K-CHT 11KW 23A
FR-E740-15K-CHT 15KW 30A

-[ FR-E720S 系列, 单相 220V 50HZ 等级, 轻巧通用型 （150% 60秒 过载能力）] -
FR-E720S-0.4K-CHT 0.4KW 2.5A
FR-E720S-0.75K-CHT 0.75KW 4.0A
FR-E720S-1.5K-CHT 1.5KW 7.0A
FR-E720S-2.2K-CHT 2.2KW 10A

-[ FR-E720 系列, 3相 220V 50HZ 等级, 轻巧通用型 （150% 60秒 过载能力）] -
FR-E720-0.4K 0.4KW 3A
FR-E720-0.75K 0.75KW 5A
FR-E720-1.5K 1.5KW 8A
FR-E720-2.2K 2.2KW 11A
FR-E720-3.7K 3.7KW 17.5A
FR-E720-5.5K 5.5KW 24A
FR-E720-7.5K 7.5KW 33A
FR-E720-11K 11KW 47A
FR-E720-15K 15KW 60A

-[ FR-D740 系列, 3相 380