UMK Series Stepper Motors

The UMK series provides high torque and low vibration. High resolution models are available.

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Items	UMK243AA Full/Half-step System (Single-Phase 100-115 VAC) Add To Cart Request Quote	UMK243BA Full/Half-step System (Single-Phase 100-115 VAC) Add To Cart Request Quote	UMK243MAA Full/Half-step System (Single-Phase 100-115 VAC) Add To Cart Request Quote	UMK243MBA Full/Half-step System (Single-Phase 100-115 VAC) Add To Cart Request Quote	UMK244AA Full/Half-step System (Single-Phase 100-115 VAC) Add To Cart Request Quote
Speed-Torque Characteristics	- Graph	- Graph	- Graph	- Graph	- Graph
Holding Torque	- 22 oz-in0.16 N·m	- 22 oz-in0.16 N·m	- 22 oz-in0.16 N·m	- 22 oz-in0.16 N·m	- 36 oz-in0.26 N·m
Frame Size	- 1.65 in42 mm
Power Supply	- Single-Phase 100-115 VAC
Type	- Standard	- Standard	- High-Resolution	- High-Resolution	- Standard
Step Angle	- 1.8 °	- 1.8 °	- 0.9 °	- 0.9 °	- 1.8 °
Shaft	- Single	- Double	- Single	- Double	- Single
Rotor Inertia	- 0.191 oz-in²35x10^-7 kg·m²	- 0.191 oz-in²35x10^-7 kg·m²	- 0.191 oz-in²35x10^-7 kg·m²	- 0.191 oz-in²35x10^-7 kg·m²	- 0.3 oz-in²54x10^-7 kg·m²
RoHS Compliant	- Yes
Continuous Duty	- No
Closed Loop System	- No
Built-in Controller	- No
Smooth Drive Function	- No