No.45 of Dongcheng Road, Dongsheng Town, Zhongshan City, Guangdong Province, China +86-760 23616355 [email protected]
3.3 inch motor series
Features
Reversible rotation
Ball bearings
Single speed
Energy efficient
Quiet operation
Extra mounting nuts for quick installation
Environment temperature: -10-43 degrees
High efficiency, little vibration, lower noise
Thermally protection
Application: air over duty, typically for blowers, evaporator fans, fans in household appliances
Series No |
model |
Power HP |
Voltage V |
Frequency HZ |
pole |
Speed RPM |
Rotation |
Shaft |
DIA |
Protect Feature |
Insulation Class |
1.07 |
YDK-50-2 |
1/15 |
115/208-230V |
60/50 |
2 |
3300 |
Reversible |
8*80 |
3.3” |
Open |
F |
1.08 |
YDK-37-2 |
1/20 |
115/208-230V |
60/50 |
2 |
3300 |
Reversible |
8*80 |
3.3” |
Open |
F |
1.09 |
YDK-30-2 |
1/25 |
115/208-230V |
60/50 |
2 |
3300 |
Reversible |
8*80 |
3.3” |
Open |
F |
1.10 |
YDK-25-2 |
1/30 |
115/208-230V |
60/50 |
2 |
3300 |
Reversible |
8*80 |
3.3” |
Open |
F |
1.11 |
YDK-60-4 |
1/12 |
115/208-230V |
60/50 |
4 |
1550 |
Reversible |
8*80 |
3.3” |
Enclosed |
F |
1.12 |
YDK-50-4 |
1/15 |
115/208-230V |
60/50 |
4 |
1550 |
Reversible |
8*80 |
3.3” |
Open |
F |
1.13 |
YDK-37-4 |
1/20 |
115/208-230V |
60/50 |
4 |
1550 |
Reversible |
8*80 |
3.3” |
Open |
F |






POWERSTAR 50W Single Phase 3.3-inch AC Electric Universal Motor for Handhold Fan Beer Pump
The POWERSTAR 50W single phase AC electric universal motor is a compact, reliable, and versatile motor built for handhold fans, small beer pumps, and a variety of lightweight portable devices. Designed to deliver steady power in a small package, this motor offers a balance of performance and convenience. It is made to be easy to install and use, and it performs well in everyday applications where compact size and reliable operation matter
Size and Fit
This motor has a 3.3-inch frame size that makes it ideal for handheld devices and tight spaces. The compact dimensions allow it to fit into many models of hand fans and small pumps without taking up too much room. The motor’s small footprint also makes it a good choice for custom builds and DIY projects, where space is limited but reliable power is needed
Power and Performance
With a 50W power rating, the POWERSTAR motor provides enough power for steady airflow in handhold fans and consistent pumping in small beer pumps. The motor delivers smooth performance at a range of speeds, giving users good control over output. It is designed to run efficiently on single phase AC power, making it suitable for common household and light commercial outlets. The motor’s universal design means it can handle AC supply cycles with reliable starts and stable running behavior
Versatile Use
This universal motor is versatile by design. It can be used in handhold fans where compact size, light weight, and steady airflow are important. It is also well suited for small beer pumps, where reliable, low-noise operation helps maintain beverage quality and user comfort. Beyond these uses, the motor is adaptable to other small appliances and tools that need a steady 50W drive. Its universal functionality makes it useful for hobbyists, repair technicians, and small product manufacturers
Durability and Build Quality
POWERSTAR focuses on durable construction and solid components. The motor is built with a sturdy casing and reliable internal parts to withstand regular use. Bearings, brushes, and armature parts are selected for long life and consistent performance. The motor’s design includes protection against common stresses seen in handheld and pump applications, such as minor shocks and vibration. This focus on durability helps reduce downtime and maintenance needs over the motor’s working life
Easy Installation
The motor’s straightforward design makes installation simple. It includes standard mounting points and a short shaft that fits many common couplers and attachments. Wiring is clearly marked for single phase AC connection, which helps technicians and users connect the motor quickly and safely. The ease of installation makes this POWERSTAR motor a convenient choice for replacement parts or for integrating into new devices
Low Noise and Smooth Operation
Noise can be a concern in hand-held and beverage-related equipment. The POWERSTAR motor runs with relatively low noise for its class, providing smooth and steady operation. This reduces distraction and improves user comfort when the motor is used in fans or near food and drink areas. The even running action is also helpful in pump applications, where sudden surges or irregular motion could affect flow or product quality
Energy Use and Efficiency
At 50W, this motor offers a good balance between power and energy consumption for its intended applications. It is efficient enough to provide reliable performance without drawing excessive current, which helps keep operating costs down. For portable and battery-assisted systems, the motor’s modest power needs can be an advantage, extending battery life and reducing the need for heavy power supplies
Maintenance and Service
Routine maintenance for the POWERSTAR motor is simple and straightforward. Brushes are accessible and replaceable, and regular checks of bearings and mounting hardware help ensure continued smooth operation. For users who want long-term reliability, following basic maintenance steps like cleaning dust from vents and checking electrical connections will help keep the motor performing well. Spare parts are common and easy to obtain, making repairs manageable for service technicians and DIY users alike
Safety Features
Safety is an important part of the motor’s design. The POWERSTAR motor is built to meet common electrical safety standards for single phase AC devices. Insulation on windings and secure terminals help prevent accidental shorts or wiring faults. The motor’s casing and mounting options also help secure it firmly in a device, reducing the chance of movement that could lead to damage. Users should still follow standard precautions, like disconnecting power before service and using proper wiring methods
Compatibility and Adaptability
The 3.3-inch size and universal motor design make this POWERSTAR unit compatible with a wide range of accessories and parts. Shafts, couplers, and small fan blades can be fitted without major modifications. This adaptability makes the motor a go-to option for manufacturers, repair shops, and hobbyists who need a reliable, easy-to-fit motor for small projects or product repairs
Value and Cost Efficiency
POWERSTAR aims to provide good value by combining solid performance with a reasonable price. The 50W motor offers enough power for many small applications while keeping costs and energy use low. Its durability and ease of maintenance also contribute to long-term cost savings, since the motor needs fewer replacements and less frequent repairs
The POWERSTAR 50W single phase 3.3-inch AC electric universal motor is a dependable and adaptable choice for handhold fans, small beer pumps, and similar portable devices. With a compact size, steady performance, easy installation, and sound build quality, it suits users who need reliable power in limited spaces. The motor’s low noise, reasonable efficiency, and simple maintenance make it a practical choice for both professional and hobby use. Whether replacing a worn-out motor or building a new compact device, this POWERSTAR motor offers a balanced solution for everyday light-duty tasks