Comparison : |
Item # SCM540UA-5 / US2D40-UA-CC, 40 W (1/19 HP) AC Speed Control Motor and Controller (5:1 Gear Ratio) (Single-Phase 110/115 VAC) Item # SCM540UA-6 / US2D40-UA-CC, 40 W (1/19 HP) AC Speed Control Motor and Controller (6:1 Gear Ratio) (Single-Phase 110/115 VAC) Item # SCM540UA-7.5 / US2D40-UA-CC, 40 W (1/19 HP) AC Speed Control Motor and Controller (7.5:1 Gear Ratio) (Single-Phase 110/115 VAC) Item # SCM540UA-9 / US2D40-UA-CC, 40 W (1/19 HP) AC Speed Control Motor and Controller (9:1 Gear Ratio) (Single-Phase 110/115 VAC) Item # SCM540UA-12.5 / US2D40-UA-CC, 40 W (1/19 HP) AC Speed Control Motor and Controller (12.5:1 Gear Ratio) (Single-Phase 110/115 VAC)
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