103H7123-1347
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The 103H7123-1347 stepping motor features a holding torque of 0.78 N·m during 2-phase energization, a step angle of 1.8°, a rated current per phase of 3 amps, and a compact motor size of 56 mm square. Part of the StepSyn Stepping Motors series by Sanyo Denki, it has a motor length of 53.8 mm and weighs just 0.65 kg.
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Product Description:
Sanyo Denki is a globally recognized manufacturer of high performance motion control systems. Their StepSyn Stepping Motors series is engineered for precise movement and consistent performance across demanding industrial and automation based applications. The 103H7123-1347 is a StepSyn Stepping Motor by Sanyo Denki. Its holding torque at 2-phase energization is 0.78 Newton meters.
The 103H7123-1347 stepper motor offers a fixed step angle of 1.8° per step which is compatible with systems that require fine step positioning. Its holding torque at 2-phase energization is 0.78 Newton meters. The motor supports unipolar winding for straightforward control applications. It has a rated current of 3 amperes per phase for stable performance. The winding inductance of the motor is measured at 1.58 millihenries for reliable operation. Its winding resistance is precisely rated at 0.77 ohms for each phase which maintains efficiency under constant thermal exposure. The frame size of the motor is specified as 56 millimeters. The 103H7123-1347 stepper motor length is compact at 53.8 millimeters for space saving setups in limited enclosures. The 103H7123-1347 stepping motor insulation class is rated as Class B for thermal endurance. It ensures safe use in environments from -10°C to +50°C. The protection grade of this motor is defined as IP43 for dust and water resistance. Its shaft runout tolerance is limited to 0.025 millimeters. The motor insulation resistance is over 100 megaohms between the frame and windings.
The 103H7123-1347 stepper motor ensures high manufacturing standards for motion accuracy. The motor axial play does not exceed 0.075 millimeters during shaft movement which supports repeatable and controlled shaft rotation. Its standing angle error remains within ±0.054° for precise motion control. The maximum allowable thrust load on the shaft of this motor is 15 Newtons.
Frequently Asked Questions about 103H7123-1347:
Q: Why is the 0.025 mm shaft runout tolerance important?
A: It minimizes eccentric motion and ensures high positioning accuracy. This is critical in CNC and robotics applications.
Q: How does Class B insulation improve motor life in 103H7123-1347?
A: It withstands temperatures up to 130°C without breakdown. This ensures long term durability under continuous thermal stress.
Q: What role does the 0.77 Ω phase resistance play?
A: It helps regulate thermal output during sustained operation. This prevents overheating and supports motor efficiency.
Q: What applications benefit from the 56 mm frame size of 103H7123-1347?
A: It is ideal for compact machinery, 3D printers, and automated test equipment. The frame enables mounting in constrained spaces.
Q: How does IP43 protection help the 103H7123-1347 model?
A: It prevents intrusion of solid particles and light splashes. This makes it suitable for semi-protected industrial setups.
