Product Description:

The 103H5333-0340 is a two-phase stepping motor from the StepSyn Stepping Motors series produced by Sanyo Denki. As a hybrid stepper motor, it converts discrete pulse commands from an indexer or PLC into incremental rotary motion, allowing machinery to position tool heads, valves, or small conveyors without closed-loop feedback. This motor is supplied with a connector interface rather than flying leads, so wiring can be completed quickly inside control enclosures.

The motor advances by 1.2° per full step, giving 300 mechanical steps per revolution and enabling fine positioning when paired with a microstepping drive. A holding torque of 0.265 N·m keeps the shaft stationary when the coils are energized, which prevents drift in light-load axes. Each phase must be driven at 3 A per phase, so the power supply and drive must provide sufficient current while managing heat buildup. Mounting follows the NEMA 17 pattern with a 42 mm square flange, allowing direct mounting in many compact actuators. The housing has a depth of only 48 mm, so the unit fits in shallow spaces where installation room is restricted. A single electrical connector carries both phases and simplifies cable routing.

The assembly weighs 0.38 kg, which reduces the load added to gantry plates and helps limit settling time after rapid moves. Its IP40 protection rating guards the internal windings against solid objects larger than 1 mm, but the motor must be installed away from fluid spray. The motor can tolerate mechanical shocks of up to 490 m/s² during transport or abrupt machine movement. Its insulation can withstand 500 VAC for one minute between the windings and frame. The rotor inertia is 0.065 × 10⁻⁴ kg·m², supporting responsive acceleration in compact motion systems. The circular output shaft has a diameter of 5 mm and a single-ended design, while a 22 mm pilot diameter centers the motor accurately against the mating surface.