103H7126-2846

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The 103H7126-2846, part of Sanyo Denki's StepSyn Stepping Motors series, features a unipolar winding type and a step angle of 1.8°. It has a rated current per phase of 3A, a rotor inertia of 0.36 x 10^-4 kg-m², and a holding torque of 1.27 N·m (min). The motor measures 75.8mm in length, weighs 0.98kg, and allows customization options.

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Product Description:

The Sanyo Denki 103H7126-2846 stepping motor is a high-torque, precision-engineered unit from the company’s reliable StepSyn series, designed for performance-driven automation applications. With a step angle of 1.8° and a unipolar winding configuration, this motor provides accurate, fixed-increment rotation ideal for systems where precision and repeatability are essential. It delivers a minimum holding torque of 1.27 N·m, offering strong positional stability even when the motor is not in motion, and operates at a rated current of 3A per phase. The motor features a rotor inertia of 0.36 × 10⁻⁴ kg·m² and a length of 75.8 mm, combining compact design with smooth dynamic performance. Weighing just 0.98 kg, it is also relatively lightweight for its torque class, making it easier to integrate into space-conscious systems. One of its key advantages is its compatibility with microstepping drives, allowing the standard 1.8° step angle to be finely divided up to 256 steps per revolution, significantly reducing vibration and enabling smoother motion. This model is a standout in Sanyo Denki’s high-power lineup, offering up to twice the torque at high speeds compared to earlier models. Such performance boosts help reduce equipment cycle time and improve overall productivity. It is also designed with modern safety features and supports electronic gear settings for advanced resolution tuning based on gear or screw pitch. Whether used in automated assembly, lab equipment, or CNC systems, the 103H7126-2846 is built for demanding tasks requiring consistent precision. Now available at Wake Industrial, it comes with customization options and a one-year warranty for long-term reliability. Advanced features include Direct Position Control (DPC) technology, comprehensive functional capabilities, as well as Stationary Pole Identification for exact control and placement.

Connection Types
Lead wire
Customization Options
Hollow Shaft modification, Decelerator, Encoder
Holding Torque (at 2-phase Energization)
1.27 N·m (min)
Load Radial Play (at Shaft Edge)
0.075 mm
Mass
0.98 kg
Maximum Ambient Temperature
50°C
Motor Length
75.8 mm
Motor Shaft Diameter
6.35-0.013 mm
Motor Size
56 mm sq.
Rated Current Per Phase
3 A
Rotor Inertia
0.36 x 10^-4 kg-m²
Step Angle
1.8°
Winding Inductance Per Phase
2.2 mH
Winding Type
Unipolar
Wiring Resistance Per Phase
0.9 Ω

Frequently Asked Questions about 103H7126-2846:

Q: What is the winding type of the 103H7126-2846 stepping motor?

A: This motor features a unipolar winding type.

Q: What is the step angle of the 103H7126-2846 stepping motor?

A: The step angle is 1.8°.

Q: What is the rated current per phase for the 103H7126-2846 stepping motor?

A: The rated current per phase is 3A.

Q: What is the rotor inertia and minimum holding torque of the 103H7126-2846 stepping motor?

A: The rotor inertia is 0.36 x 10⁻⁴ kg·m², and the minimum holding torque is 1.27 N·m.

Q: What are the physical dimensions and weight of the 103H7126-2846 stepping motor, and does it offer customization?

A: The motor measures 75.8mm in length, weighs 0.98kg, and allows for customization options.


Internal Product Review

  • ‘‘The 103H7126-2846 StepSyn stepping motor has a motor length of 75.8 mm, a step angle of 1.8°, and a holding torque of at least 1.27 N·m. It weighs 0.98 kg and is a part of Sanyo Denki's StepSyn Stepping Motors line, which enables unipolar winding.’’

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