Product Description


Product Description

MOTOR FRAME SIZE 60 mm / 70mm / 80mm / 90mm / 104mm
SERIES K series
OUTPUT POWER 3 W / 6W / 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W (can be customized)
OUTPUT SHAFT 8mm / 10mm / 12mm / 15mm ; round shaft, D-cut shaft, key-way shaft (can be customized)
Voltage type Single phase 100-120V 50/60Hz 4P Single phase 200-240V 50/60Hz 4P
Three phase 200-240V 50/60Hz Three phase 380-415V 50/60Hz 4P
Three phase 440-480V 60Hz 4P Three phase 200-240/380-415/440-480V 50/60/60Hz 4P
Accessories Terminal box type / with Fan / thermal protector / electromagnetic brake
Above 60 W, all assembled with fan
GEARBOX FRAME SIZE 60 mm / 70mm / 80mm / 90mm / 104mm
Right angle hollow worm shaft Right angle spiral bevel hollow shaft L type hollow shaft
Right angle CHINAMFG worm shaft Right angle spiral bevel CHINAMFG shaft L type CHINAMFG shaft
K2 series air tightness improved type
Certification CCC CE ISO9001 CQC

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Packaging & Shipping


Company Profile


Q: How to select a suitable motor or gearbox?
A:If you have motor pictures or drawings to show us, or you have detailed specifications, such as, voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you have a customized service for your standard motors or gearboxes?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but some kind of molds are necessory to be developped which may need exact cost and design charging.

Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Application: Machine Tool
Speed: High Speed
Number of Stator: Three-Phase
US$ 50/Piece
1 Piece(Min.Order)


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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

single phase motor

How Do You Troubleshoot Common Issues with Single-Phase Motors?

Troubleshooting common issues with single-phase motors involves a systematic approach to identify and resolve problems. Here are some steps to help troubleshoot common issues:

  1. Check Power Supply: Ensure that the motor is receiving the correct voltage and that the power supply is stable. Check for any loose connections or tripped circuit breakers. Use a multimeter to measure the voltage at the motor terminals and compare it to the motor’s rated voltage.
  2. Inspect Motor Connections: Examine the motor’s wiring connections, including the power supply connections, starting circuit (if applicable), and any control devices. Look for loose or damaged wires, faulty connections, or burned terminals. Tighten any loose connections and repair or replace any damaged wiring.
  3. Check Motor Capacitors: If the motor uses capacitors, visually inspect them for any signs of bulging, leaking, or damage. Capacitors can often be a common point of failure in single-phase motors. Use a capacitance meter to test the capacitance of the capacitors and compare it to the manufacturer’s specifications. Replace any faulty capacitors.
  4. Test Motor Windings: Use a multimeter to check the continuity of the motor windings. Measure the resistance between different winding terminals (e.g., main winding, starting winding) and compare the readings to the motor’s specifications. If there is an open circuit or a significantly different resistance value, it may indicate a faulty winding that requires repair or replacement.
  5. Inspect Motor Bearings: Check the motor’s bearings for any signs of wear, excessive play, or noise. The bearings should rotate smoothly without any grinding or resistance. If there are issues with the bearings, they may need to be lubricated or replaced.
  6. Check for Overheating: If the motor is overheating, it could be due to factors such as insufficient cooling airflow, overloading, or high ambient temperatures. Ensure that the motor is adequately ventilated and that there are no obstructions blocking the cooling vents. Reduce the load on the motor if it is operating beyond its rated capacity.
  7. Consider Environmental Factors: Evaluate the operating environment of the motor. Factors such as excessive moisture, dust, or vibration can impact motor performance. Take appropriate measures to protect the motor from these environmental conditions, such as using enclosures or installing vibration isolation mounts.

If troubleshooting the motor using these steps does not resolve the issue, it may be necessary to consult a professional electrician or motor technician who specializes in single-phase motors. They can perform more advanced diagnostic tests and provide expert guidance on repairing or replacing the motor if needed.

single phase motor

How do you determine the horsepower (HP) rating for a single-phase motor?

To determine the horsepower (HP) rating for a single-phase motor, you need to consider several factors and perform calculations based on motor specifications. Here is a step-by-step process to determine the HP rating:

  1. Identify motor specifications: Start by gathering information about the motor, including its voltage rating, current rating, power factor, and efficiency. These specifications are typically provided by the motor manufacturer and can be found on the motor nameplate.
  2. Calculate power input: The power input to the motor can be calculated using the formula:
Power input (in watts) = Voltage (in volts) x Current (in amps) x Power factor
  1. Convert power input to horsepower: Since 1 horsepower is equal to 746 watts, you can convert the power input to horsepower using the formula:
Horsepower (HP) = Power input (in watts) / 746
  1. Consider motor efficiency: If the motor efficiency is provided, multiply the calculated horsepower by the efficiency to obtain the rated horsepower. For example, if the motor efficiency is 0.9 (or 90%), the rated horsepower would be:
Rated Horsepower = Horsepower (HP) x Efficiency

By following these steps and considering the motor specifications, you can determine the horsepower rating for a single-phase motor.

single phase motor

How does the starting mechanism work in a single-phase motor?

The starting mechanism in a single-phase motor is a crucial component that enables the motor to overcome the absence of a rotating magnetic field during startup. It provides the initial torque required to initiate rotation. The specific starting mechanism used in a single-phase motor depends on the motor design and application requirements. Let’s explore the common methods used in single-phase motors and how they work:

  • Auxiliary Windings: Single-phase motors often incorporate auxiliary windings, also known as starting windings or auxiliary coils. These windings are placed in the stator alongside the main winding. The auxiliary winding is electrically connected in series with a capacitor, creating a secondary magnetic field that is out of phase with the main winding’s magnetic field. During startup, when the motor is powered, the current flows through both the main winding and the auxiliary winding. The phase difference between the currents in the two windings creates a rotating magnetic field, which initiates the motor’s rotation. Once the motor reaches a certain speed, the auxiliary winding is disconnected, and the motor continues to run using only the main winding.
  • Centrifugal Switch: Some single-phase motors employ a centrifugal switch as part of the starting mechanism. The centrifugal switch is typically attached to the motor shaft and operates based on centrifugal force. During startup, the switch remains closed, connecting the auxiliary winding and the associated starting mechanisms, such as capacitors. This allows the auxiliary winding to create the necessary phase shift and initiate rotation. As the motor accelerates, the centrifugal force increases, causing the switch to open. When the switch opens, it disconnects the auxiliary winding and associated starting mechanisms. The motor then operates using only the main winding, which is sufficient to sustain rotation.
  • Starting Capacitors: Capacitors are commonly used in single-phase motors to provide the necessary phase shift and create a rotating magnetic field during startup. The capacitor is connected in series with the auxiliary winding. When the motor is powered, the capacitor stores electrical energy and releases it in a controlled manner, creating a phase shift between the current in the main winding and the auxiliary winding. This phase difference enables the production of a rotating magnetic field, initiating motor rotation. Once the motor reaches a certain speed, the centrifugal switch or other control mechanism disconnects the capacitor, allowing the motor to run efficiently using only the main winding.

The starting mechanism in a single-phase motor is designed to provide the required initial torque to overcome inertia and start the motor’s rotation. By creating a rotating magnetic field or introducing a phase shift, the starting mechanism enables the motor to generate the necessary torque during startup. Once the motor reaches a certain speed, the starting mechanism is deactivated or disconnected, and the motor continues to operate using only the main winding.

It’s important to note that the specific starting mechanism used in a single-phase motor depends on factors such as motor design, power requirements, and application considerations. The selection and design of the starting mechanism ensure reliable and efficient motor startup, contributing to the overall performance of the motor in various residential and industrial applications.

China OEM Hot Sales 60mm Micro Electric AC Induction Gear Motor for Assembly Line   with high quality China OEM Hot Sales 60mm Micro Electric AC Induction Gear Motor for Assembly Line   with high quality
editor by CX 2023-10-20