103-845-06E0

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The 103-845-06E0 2-phase synchronous motor supports ultra-low speed rotation with high torque, operates efficiently on commercial power without a dedicated driving circuit, and maintains a constant rotation speed under load. Part of the StepSyn Stepping Motors series by Sanyo Denki, it withstands 1kV AC for 1 minute.

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Product Description:

The 103-845-06E0 synchronous motor provides constant speed operation paired with ultra-low speed capabilities and high torque, ensuring reliable performance for demanding applications; its design integrates seamlessly into existing systems, as it operates efficiently on commercial power without requiring a dedicated driving circuit, which can simplify installation and reduce costs, further enhanced by its ability to maintain a consistent rotation speed under varying loads, ensuring stable operation across diverse operational requirements. This motor is engineered to deliver both power and precision in a compact form factor. Also, one should not overlook the insulation resistance, which stands at not less than 100 MΩ.

Designed for versatility, The StepSyn Stepping Motors synchronous motor leverages a unique switching principle where stepping motor functionality is adapted to directly utilize AC power frequency by changing the internal wiring, providing a cost effective solution for applications needing precise control without the complexities of advanced driver circuits, as this design delivers reliable performance in a variety of industrial automation scenarios; The fact that it's designed to ensure speed does not reduce under load makes it suitable to be in places which are prone to voltage disruptions. Operating within an ambient temperature range of -10˚C to +50˚C and a humidity range of 20% to 95% RH (with no condensation), this motor adapts well to challenging environmental conditions.

Depending on the model, the rated voltage ranges between 100 VAC to 220 VAC, with rated current varying from 0.15 A to 0.9 A across different sub-models within the product family. The motor has a synchronized pull-out torque, which is typically ranging from 0.568 N·m to 5.5 N·m based on what the model calls for, and phase the shifter capacitor values approximately stand at 1.7 µF at 50Hz and up to 3.75 µF at 60Hz for various models to allow for compatibility.

Constant Speed Operation
Slip-free within load range
Insulation Resistance
≥100 MΩ (DC 500 V)
Lead Wire
UL3266 AWG22
Low Speed & High Torque
Ultra-low speed rotation with high torque
Motor Type
2‑Phase synchronous motor
Operating Humidity
20–95% RH (no condensation)
Operating Temperature
-10 to +50 °C
Phase Shifter Capacitor
1.7 µF @50 Hz; 3.75 µF @60 Hz
Power Supply
100–220 VAC commercial AC, no dedicated drive
Rated Current
0.15–0.9 A
Rated Voltage
100–220 VAC
Synchronous Pull-out Torque
0.568–5.5 N·m
Withstand Voltage
1 kV AC, 1 min, ≤1 mA leakage

Frequently Asked Questions about 103-845-06E0:

Q: What applications benefit most from the 103-845-06E0 motor?

A: The 103-845-06E0 motor is beneficial for applications requiring constant speed operation, ultra-low speed, and high torque.

Q: What is the operating temperature and humidity range for the Sanyo Denki 103-845-06E0?

A: The motor can operate in ambient temperatures from -10˚C to +50˚C and a humidity range from 20% to 95% RH (no condensation).

Q: Does the 103-845-06E0 require a special driving circuit?

A: No, the 103-845-06E0 operates on a commercial power supply and does not require a dedicated driving circuit.

Q: What is the withstand voltage of the 103-845-06E0 motor?

A: The 103-845-06E0 motor can withstand 50/60Hz, 1KV AC for 1 minute with leakage current limited to 1mA.

Q: What standard does the lead wire of the StepSyn Stepping Motors conform to?

A: The lead wire conforms to UL3266, using the AWG22 standard.


Internal Product Review

  • ‘‘103-845-06E0 synchronous motor ensures constant speed operation and ultra-low speed with high torque. Its ability to operate on standard AC power makes it a cost-effective solution.’’

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