High quality 1-channel USB Relay Module 5V. Smart control of electrical devices via computer USB port. Load 10A/250V.


The smart AC ionizing air blower series UNESD U301, U302, U303 is the leading solution to eliminate static electricity in industrial production environments. With diverse designs (1, 2, or 3 blower heads), the product meets all usage needs, integrating smart features, safety and high efficiency, ensuring a stable working environment and protecting sensitive electronic components.
The UNESD U301, U302, U303 series intelligent AC ionizing air blower is a leading solution for eliminating static electricity in industrial manufacturing environments. With versatile designs (1, 2, or 3 fan heads), the product meets all application needs, integrating smart features, safety, and high performance to ensure a stable working environment and protect sensitive electronic components.
In modern industrial manufacturing environments, especially in electronics assembly, semiconductor, and cleanroom industries, static control is a vital factor to ensure product quality. The U301, U302, U303 Intelligent AC Ionizing Air Blower series from UNESD is the comprehensive and effective solution you are looking for.
CÔNG TY TNHH THIẾT BỊ KỸ THUẬT VECTOR VINA, as the official distributor of UNESD in Vietnam, is proud to bring this superior product line to our valued customers.
The UNESD ionizing air blower series is designed with three core features, delivering superior performance and reliability:
| Parameter | Details |
|---|---|
| Model | U301 / U302 / U303 |
| Power Supply | 220V/50Hz |
| Power Consumption | - Standard: 20W / 40W / 65W - Model E (with heater): 220W / 450W / 650W |
| Air Volume | 0 – 95 CFM (5 adjustable levels) |
| Ion Balance Voltage | Under ±15V |
| Static elimination time | ≤ 1 second |
| Effective area (one air outlet) | 40*90 cm² |
| Warning threshold | Default ion balance from -35V to +35V |
Ionizing fans U301, U302, U303 are indispensable equipment in the following fields:
As the official distributor of UNESD in Vietnam, CÔNG TY TNHH THIẾT BỊ KỸ THUẬT VECTOR VINA is committed to providing genuine, high-quality products along with professional technical support services.



