SH1421-5241 Sanyo Denki
Wake Industrial LLC is not an authorized distributor of this product.
The Sanyo Denki SH1421-5241 is a stepping motor from the F SANMOTION Stepping Motors series. It features a 0.9 degree basic step angle, 0.23 Newton-meter holding torque, and a lead wire connection type. The motor has a flange size of 42 mm, a motor length of 33 mm, and weighs 0.24 kg.
Internal Product Review
The SH1421-5241 is a Sanyo Denki F SANMOTION stepping motor with a 0.9° basic step angle and 0.23 N·m holding torque. Bipolar wiring and a rated current of 2 A/phase support stable drive performance and straightforward control integration. The lead wire connection and D-shaped output shaft make this unit a practical choice for precise motion applications.
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Product Description:
The SH1421-5241 is a two-phase stepping motor manufactured by Sanyo Denki for the F SANMOTION Stepping Motors series. It converts sequential pulse commands from a driver into incremental shaft motion, enabling conveyors, dispensers, and lightweight pick-and-place modules to index to repeatable positions without feedback devices. By producing fixed angular steps, the motor delivers open-loop positioning that reduces system complexity in compact industrial automation stages.
A basic step angle of 0.9° means the rotor advances less than one degree for every input pulse, giving high native resolution before microstepping is applied. The motor can hold a load with 0.23 N·m of static torque while the windings are energized, which is suitable for light mechanical fixtures that must maintain their position at a standstill. Each phase draws a maximum current of 2 A, so the drive electronics must supply that current while respecting the winding limits. Electrical response is influenced by a phase inductance of 2.1 mH, which affects the rate at which current rises and how quickly the motor responds to fast pulse trains. The phase resistance is 0.85 Ω, affecting the voltage needed to reach the rated current and the heat generated during continuous operation.
The motor tolerates a radial load of up to 25 N and an axial thrust of up to 10 N, allowing direct coupling to small gears or belts without additional bearings. A square flange measuring 42 mm follows NEMA 17-style dimensions, simplifying installation with other components of the same frame size. The housing has a length of 33 mm, keeping the overall package short for confined machine spaces. The motor also has a single D-shaped output shaft, bipolar wiring, and lead-wire connections that permit flexible cable routing. Its rotor inertia is 4.4 × 10⁻⁶ kg·m², supporting rapid acceleration in indexing applications. A mass of 0.24 kg minimizes the load placed on linear slides or cantilevered mounting brackets.
