Waterproof Air Cooling 4000 RPM Exhaust Fan Ventilator Centrifugal Blower, which has low noise, anti vibration, long service life (50,000 hours) and high rotation precision.

About this item

• Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
• Dimension of outer the frame is 75 mm(L) x 75 mm(W) x 30 mm(H) / The size of fan in inch is 2.95 in(L) x 2.95 in(W) x 1.18 in(H); The center to center distance beween the mountiong holes is 80.5 ± 0.3 mm / 3.16 in.
• Operating Voltage Range: DC 5V/12V/24V | Current: 0.07 ~ 0.35 Amp | Speed: 2000 ~ 4000 RPM | Airflow: 5.36 ~ 10.72 CFM | Noise: 22 ~ 40 dBA | Pressure: 3.50 ~ 15.80 mmAq.
• High Speed: This model is designed to maximize airflow and can be too loud for some applications.
• Lead wire: (+): Red wire ; (-): Black wire. Bearing Type:Sleeve Bearing / Double Ball Bearing; Life: working up to 50000h at 25 degrees.
• Please Comfirm the Fan Size, Voltage, Connector and other parameters before purchase.

DC BLOWER FAN 75x75x30mm(2.95"x2.95"x1.18")

General Specification:
Frame: PBT(Black)UL94V-0
Impeller: PBT(Black)UL94V-0
Operating Temperature: -10ºC~70ºC
Motor Protection:  Auto Restart or Polarity Protection
Insulation Resistance: 20MΩ or over with a DC500V Megger
Dielectric Withstand Voltage: AC500V 1s
Bearing Type: Sleeve Bearing or Ball bearing

·All reading are typical values at rated voltage.
·Parameters can be set according to customer requirements.

Feature

• Have passed CE, UL and RoHS certification;
• Provide systematic products and customized service;
• Winglet fan blade provides minimal air resistance to boost overall airflow;
• Adopt PBT material, high temperature resistance, corrosion resistance, durable and stable;
• 5V, 12V or 24V DC power source, providing efficient airflow, lower noise, and reduced vibration.

More Models

These fans are available in several sizes to accommodate diverse applications— such as those found in tight spaces or difficult to reach areas.

Application

Widely used in communication products, optoelectronic products, consumer electronics, automotive electronic equipment, exchangers, heaters, frequency converters, environmental protection equipment, and other traditional or modern instruments and equipment.

• Customized projects related to Medical equipment, Air purifiers, 3D printers, cooling, ventilation and heat dissipation systems, and more.
• Create a cooling system to keep the home appliances system, office equipments and other electronic equipments running at the ideal temperature and the optimal speed.

Quality Control

CHUNGFO has strict delivery inspection standard to ensure that the products quality meets customer’ requirements.

In addition, our fans are tested for quality to ensure the best possible performance. Our quality control staff is highly trained to perform stringent testing procedures.

Customers

Over the years, we have been with many well-known brands to achieve friendly cooperation.

Sincerely thank our customers for their trust and support.

Certifications

All our products are approved by CE, UL and ect, as well as in compliance with RoHS requirement, quality is reliable and guaranteed.