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Wathai

Wathai EC Industrial Case Fan 120mm x 38mm Ball Bearing AC 110V 115V 120V 220V 240V Brushless Cooling Fan

    • Based on 1,819 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Jan 14
Order within 5 hours and 49 minutes
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Style: 120x38mm


Features

  • High Performance Fan: This EC axial fan consume very less power & better efficiency than AC equivalent. Designed for projects that requires cooling or ventilation; or as a replacement fan for various products
  • Plug not Wired to The Fan: The wires were not connected. Pls understand that because of projects that a fan may be used in
  • Dual-Ball: Bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright. DIY as ventilation fan
  • What's in the box: Package include: 1 Piece 120mm fan include fan grill and mounting screws & nuts; 1* AC cord with switch(about 38 inches); 1* Power Plug
  • 5 Inch Fan: 120 x 120 x 38 mm ( 4.72 x 4.72 x 1.5 in. ) | Rated Voltage :90V to 270V | Airflow: 116 CFM | Power: 6.0W | Speed: 2800 RPM

Product Dimensions: 4.72"L x 4.72"W x 1.5"H


Brand: Wathai


Power Connector Type: AC power plug


Voltage: 120 Volts (AC)


Wattage: 6 watts


Cooling Method: Air


Compatible Devices: Desktop Gaming Console Inverter Laptop Printer Projector Refrigerator Router Server Smartphone Switch Tablet Television See more


Noise Level: 41 dB


Material: Plastic


Maximum Rotational Speed: 2800 RPM


Product Dimensions ‏ : ‎ 4.72 x 4.72 x 1.57 inches; 14.81 ounces


Item model number ‏ : ‎ EC12038B110-240V


Date First Available ‏ : ‎ May 29, 2019


Manufacturer ‏ : ‎ Wathai


Country of Origin ‏ : ‎ China


Best Sellers Rank: #212 in Computer Case Fans


Customer Reviews: 4.5 4.5 out of 5 stars 1,819 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jan 14

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Nice fan at a good price
Style: 80x25mm
I installed this fan to blow air into a skylight alcove to keep it from frosting up and dripping in the winter. This is in a bathroom, so it has to work in a high humidity environment. The fan has performed flawlessly thus far and is far quieter than its predecessor.
Reviewed in the United States on June 29, 2024 by Traveler
    • Small low volume fan works well
Style: 120x38mm
I needed a small low volume fan to help cool some electronics. This fit the bill. It's not loud seems to be sturdy construction
Reviewed in the United States on August 11, 2024 by Rex
    • Pond Aerator Box
Style: 120x38mm
Review Image by KojaK0311 KojaK0311
Review Image by KojaK0311 KojaK0311
I bought 2 of these to help cool an outside pond aerator pump. The pump is 1/2 horsepower and pumps air into our 1/4 farm pond and emits a ton of heat in the process. These fans and pump run 24/7 all year long and are in a wooden box that I built with 4 screened vents for air circulation. Both fans have been running nonstop for about 3 months now. So far so good and the aerator pump is staying much cooler which should help extend the pumps lifespan. (The pump cost about $500). These fans are affordable, easy to install, quiet and most importantly they move a lot of air! Would definitely recommend. ... show more
Reviewed in the United States on August 29, 2024 by KojaK0311 KojaK0311
    • Definitely uses less energy than non-EC style AC muffin fan
Style: 120x38mm
This review is for the Wathai 120mm x 38mm EC fan. I purchased two of these to replace two old shaded pole fans (non-muffin style) rated at 22 watts each that I had mounted to the top rear of my wood stove. Using a Ponie PN1500 energy monitor, I identified the combined power consumption of the old, high speed, whining fans was 38 watts. I started looking for more efficient fans since they often run for days on end. Researching regular AC muffin fans showed they weren't any better for lower power consumption. Turns out the typical, inexpensive, AC muffin fans are also a shaded pole motor design. I considered going with Brush Less DC (BLDC) fans but then I'd need a Switch Mode Power Supply (SMPS) to convert the AC to appropriate DC voltage for them. I also learned that using 48vdc BLDC fans with a SMPS would have been the more efficient route. However, that effort lead me to the newer EC designed fans. These are essentially a 48Vdc (or maybe 60Vdc) BLDC muffin fan with a SMPS built-in that works directly off-line (no AC transformer) to convert the AC to DC. By using PWM, the EC fan can handle a very wide range of AC input voltages (by design they should also be able to handle DC input voltages of same range, just like many SMPS can; but I didn't find any manufacturer's stating that). I tested the new Wathai fans individually in open air flow with the Ponie. The first fan measured 3.74 watts at 121.3Vac and 0.05 amps (power factor of 0.60) while the second fan measured 4.17 watts at 121.4Vac and 0.06 amps (same 0.60 pf). This is a big improvement over the same size and air flow rated AC muffin fans that use around 20-30 watts each. Based on these numbers the two new Wathai fans should pay for themselves in reduce electric consumption in just one heating season. Interestingly, with the two fans wired in parallel for my application, the Ponie showed the wattage fluctuating 0.05-0.1 watt. The wattage readings were very stable when testing one fan at a time. Overall the quality of construction is very good. The supplied mounting bolts are long enough to go thru an 1/8” thick mounting surface, the supplied grill, and both sides of the fan. The fan frame is a plastic material rather than aluminum; but I didn't find any of the lower priced EC fans with aluminum frames. The 48” long power cord (if count the plug prong length it would be 49”) appears to be of good quality; but is constructed with only 20-22 gauge wires. If you don't use the cord with the fan I'd recommend throwing it away. The small wiring makes the cord suitable for only 30-40 watts max. The grill is nicely made and as shown is a shiny aluminum/chrome color (I'd rather had black grills; but didn't find that as an option). The included connector clip does the job; but I went ahead and soldered/shrink sleeved with the power cord from the old fans for my application. I found a few negatives with the Wathai fan. I could not find any UL, CE or other international approvals for the fan or power cord. There's also no IP rating. There's no supplied locking washers. Most of the EC fans such as the Wathai are only single speed at this time. I could locate other brands with PWM/0-10Vdc variable speed control; but they were 2-4x the price. The power cord supplied with the fan doesn't have the wire ends stripped ready for installation in the clip so you'll have to do that when you get the fan. There aren't any instructions or a data sheet with the fan although it should be simple enough for most folks to setup/install. The label on the fan has no model/serial number (or a current rating like most muffin fans) so I'm guessing Wathai only offers this one model in this particular size. Finally, as another reviewer commented, there is RFI from the fan. My portable AM radio had an obvious buzzing noise over most of the AM band when I got it within one meter of the Wathai fan. My TV located about 3 meters away showed no problems with the fans and it is on the same electrical circuit. So pay attention to your application; this fan may not be the right choice for you. On the positive side. The fan moves air similar to the 100 cfm DC fan I compared the airflow with and the Wathai fan is reasonably quiet. I'm fairly confident it's meeting the db noise level cited in the ad. Plus the price is so comparable to the old style, inefficient, AC muffin fans it's worth buying as it will save you enough in electricity consumption that it could pay for itself in no time. Overall I'm very satisfied with the Wathai 120x38mm EC fan purchase. So far I've only used them a week; but if lasts as long as the 60,000+ hrs rating on the bearings I'll easily get my monies worth. ... show more
Reviewed in the United States on April 20, 2021 by Andrew Bean
    • Electronic cooler.
Style: 60x25mm
Use to cool stereo reciever in a enclosed area. Works perfect.
Reviewed in the United States on July 25, 2024 by michael g. bosler
    • It comes with an on?off switch
Style: 60x25mm
It came with an inline on/off switch, was easy to hook up and it is fairly quiet.
Reviewed in the United States on September 9, 2024 by Michael Edwards
    • Work well
Style: 120x25mm
Very good cooling for our PLC cabinets.
Reviewed in the United States on September 14, 2024 by Patricia Gay
    • Air flow
Style: 120x38mm
This product puts out a fair amount of air for it's size but is a little noisier than I expected. Works great!
Reviewed in the United States on September 1, 2024 by John L

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