General Specification
- Winding type: YWE
- Hall effect angle: 120 Degree electrical angle
- Radial play: 0.02mm/450g
- End play: 0.08mm/450g
- Max. radial force: 15N @ 10mm from the flange
- Max. axial force: 10N
- Insulation class: B
- Dielectric strength: 500VDC for one minute
- Insulation resistance: 100MΩ min., 500VDC
Defination of Part number
28 | ZW | 3 | Y | 26 | A | 80 | X |
Frame size | Brushless dc motor | Phase | Round * | Length | Voltage ** | Speed | External code |
Specifications
| Model | Units | 28ZW3Y261580 | 28ZW3Y38A31 | 28ZW3Y77A31 |
|---|---|---|---|---|
| Number of poles | 4 | |||
| Number of phase | 3 | |||
| Rated voltage | VDC | 15 | 24 | 24 |
| Rated speed | RPM | 8000 | 3100 | 3100 |
| Continuous stall torque | mN.m | 8.4 | 19.2 | 60.00 |
| Rated torque | mN.m | 7 | 16 | 50.00 |
| Rated power | W | 6 | 5.2 | 16 |
| Peak torque | mN.m | 21 | 48 | 150.00 |
| Peak current | A | 1.53 | 0.87 | 2.66 |
| Torque constant | Nm/A | 0.014 | 0.055 | 0.057 |
| Back E.M.F | V/KRPM | 1.5 | 5.1 | 5.10 |
| Rotor inertia | g.c㎡ | 1.23 | 2.12 | 5.98 |
| Body length | mm | 26 | 38 | 77 |
| Voltage range | VDC | 12~36 | ||
| Speed Range | rpm | 3000~8000 | ||
| Weight | Kg | 0.06 | 0.08 | 0.280 |
In-Depth Applications for the 28mm Round Brushless DC Motor
The 28ZW3Y’s high speed, compact size, and low vibration make it a premier choice for precision instruments. Key application areas include:
- Medical & Laboratory: Ideal for portable diagnostic tools, small peristaltic pumps, blood analyzers, and laboratory sample stirrers where reliability and low noise are critical.
- Robotics & Automation: Provides precise motion for small robotic grippers, camera stabilization systems, and inspection drones that require a lightweight 28mm round brushless dc motor.
- Small Pumps & Fans: Efficiently drives small air, liquid, or vacuum pumps and micro-fans where a compact 28mm round brushless dc motor is essential for continuous operation.
Outline
Customization
 |  |  |  | |  |
| Shaft | Encoder | Brake | Connector | Pulley | Gearbox |
| Item | Description |
|---|---|
| Shaft Extensions | Motors can be configured with single or double-ended shafts, manufactured to your specific length. |
| Encoder Options | We offer integration with various encoders to meet specific resolution and application needs. |
| Brake Options | Motors can be equipped with an optional brake, available with or without a manual hand release. |
| Cable Harnesses | Custom cable harnesses, with or without connectors, are available upon request. |
| Pulleys & Pinion Gears | Pulleys or pinion gears can be supplied and mounted to your specifications. |
| Gearbox Integration | Most motors can be paired with various gearbox types, including planetary, worm wheel, and parallel shaft gearboxes. |
Frequently Asked Questions (FAQ)
Q: What is the main advantage of this small bldc motor?
A: The 28ZW3Y 28mm round brushless dc motor is designed for high-speed, low-noise operation in a compact package. This makes it suitable for applications where space is limited and high RPM is needed, whereas a stepper motor is often selected for holding position at low speeds.
Q: What kind of driver does this bldc motor require?
A: This 28ZW3Y motor requires a compatible BLDC motor driver. We offer a complete range of compact drivers, and our engineers can help you select the perfect match for this motor’s power and voltage.
Q: Is this motor suitable for precision control?
A: Absolutely. When ordered with an optional encoder, this 28mm round brushless dc motor provides excellent closed-loop feedback, turning it into a high-performance micro-servo for precision positioning tasks.
Q: What is the expected operational lifespan of this motor?
A: The 28ZW3Y series is built for durability, with an expected lifespan often exceeding 20,000 hours. As a high-quality 28mm round brushless dc motor, its primary lifespan factors are the high-quality bearings, which are selected for durability under rated load conditions.