103H89222-5241 Sanyo Denki
Wake Industrial LLC is not an authorized distributor of this product.
The Sanyo Denki 103H89222-5241 is part of the StepSyn Stepping Motors series and has a holding torque of 13.2 Newton-meters with a step angle of 1.8 degrees. This motor features a rated current of 6 Amps per phase and weighs 7.5 kilograms. It uses a single shaft with a 12.7 mm diameter and supports bipolar wiring.
Internal Product Review
The 103H89222-5241 is a Sanyo Denki StepSyn stepping motor that stands out with 13.2 N·m holding torque and a 1.8° step angle. Bipolar wiring and a 6 A/phase rated current support confident drive matching and steady positioning in demanding motion applications. Allowable loads of 340 N radial and 100 N thrust add valuable mechanical margin for machine integration.
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Product Description:
The 103H89222-5241 is a hybrid stepping motor manufactured by Sanyo Denki and supplied under the StepSyn Stepping Motors series. It converts pulse commands from a drive into incremental motion, allowing equipment builders to position loads without closed-loop feedback. The model is wired in a bipolar configuration and is supplied with a single shaft intended for direct coupling to pulleys, lead screws, or gear reducers in general industrial automation.
Each phase is rated at 6 A/phase, so the drive electronics must sustain that current continuously to reach full performance. A phase winding resistance of 0.45 Ω/phase establishes the voltage needed to produce that current, while an inductance of 5.4 mH/phase affects how quickly current can rise and fall during microstepping. The motor advances by 1.8° per full step, giving 200 discrete positions per revolution and enabling fine incremental control when combined with microstep subdivisions. At standstill, it can resist loads up to 13.2 N·m of holding torque, allowing vertical or high-inertia axes to remain locked when power is applied. Eighteen-gauge lead wires are provided to connect each phase directly to terminal blocks or plug-in connectors on the stepper drive.
Mechanical integration is supported by an allowable radial load of 340 N at the front bearing and an axial thrust limit of 100 N, so belt tension and screw preload must remain within those limits. The laminated frame is 163.3 mm long, and the unit weighs 7.5 kg, which helps with enclosure clearance and mounting bracket selection. A 106 mm square flange centers the motor, and the 12.7 mm diameter shaft features a 5 × 5 × 28 mm key for positive torque transmission. Rotor inertia is 14.6 × 10⁻⁴ kg·m², providing predictable acceleration profiles when the motor is paired with motion controllers that calculate torque according to load dynamics.
