103H7123-1742

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The 103H7123-1742, part of Sanyo Denki's StepSyn Stepping Motors series, features a step angle of 1.8° and a motor size of 56mm square. It has a rated current of 3 A/phase, a winding inductance of 1.58 mH/phase, and a holding torque of 0.78 N·m at 2-phase energization. The motor measures 53.8mm in length.

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Product Description:

The Sanyo Denki 103H7123-1742 stepping motor is a compact and efficient motion control solution from the StepSyn series, tailored for applications requiring precise, repeatable positioning with minimal vibration. Featuring a step angle of 1.8° and a standard 56 mm square frame, this motor is designed for seamless integration into existing systems, especially where space and compatibility are key considerations. With a rated current of 3 A per phase and a winding inductance of 1.58 mH per phase, the 103H7123-1742 provides reliable performance under continuous operation. It offers a holding torque of 0.78 N·m at 2-phase energization, giving it strong torque retention even while stationary, making it ideal for applications that demand high positional accuracy and minimal drift. At just 53.8 mm in length, the motor maintains a compact footprint while delivering consistent torque output. Designed with productivity in mind, this motor is compatible with Sanyo Denki’s low-vibration microstepping drivers, which reduce operational vibration to one-third or less compared to previous models. This not only enhances the smoothness of motion but also improves performance at low resolution settings such as full-step and half-step modes, regardless of the host controller’s capabilities. The 103H7123-1742 also benefits from advanced safety features when paired with supported drivers. Real-time monitoring via PC setup software enables control parameter adjustments, alarm diagnostics, and operational status checks. Early warnings for overheating, power anomalies, and wiring issues help ensure reliable and safe system performance. Now available at Wake Industrial, the Sanyo Denki 103H7123-1742 combines high performance with ease of integration, offering a dependable stepping motor solution backed by a one-year warranty. Position the inverter in an extremely low vibration fixed spot to provide a solid mounting stage. Setting up the inverter on a moving structure might need specific earth ground connections to the inverter.

Certifications
CE, cUR, UCL approved
Dual Shaft Model
103H7123-6710
Holding Torque (min)
0.78 N·m (2-phase energization)
Mass
0.65 kg
Motor Length
53.8 mm
Motor Size
56 mm²
Rated Current
3 A/phase
Rotational Inertia
0.21×10^-4 kg·m²
Single Shaft Model
103H7123-6740
Step Angle
1.8°
Winding Inductance
1.58 mH/phase
Winding Type
Unipolar
Wiring Resistance
0.77 Ω/phase

Frequently Asked Questions about 103H7123-1742:

Q: What is the step angle of the 103H7123-1742 stepping motor?

A: The step angle is 1.8°.1

Q: What is the size of the 103H7123-1742 stepping motor?

A: The motor has a 56mm square size.2

Q: What is the rated current per phase for the 103H7123-1742 stepping motor?

A: The rated current is 3 A/phase.

Q: What is the winding inductance per phase of the 103H7123

A: The winding inductance is 1.58 mH/phase.

Q: What is the holding torque of the 103H7123-1742 stepping motor at 2-phase energization, and what is its length?

A: The holding torque is 0.78 N·m at 2-phase energization, and the motor length is 53.8 mm.


Internal Product Review

  • ‘‘The 103H7123-1742 is a small stepping motor that weighs 0.65 kg and has a motor size of 56 mm square. It runs at a rated current of 3A per phase and is made by Sanyo Denki as a part of their StepSyn Stepping Motors line. The step angle of the motor is 1.8°.’’

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