Server Rack
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     Blank Panels
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      Lock Handle / Smart Card

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 Aluminum Frame Rack-
   4 Post Rack

 Steel Frame Rack -
   2 Post Rack & 4 Post Rack

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   Relay Rack / Telco Rack /
   2 Post Rack

 Rack PDU
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   Rackmount KVM Switch

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Panel PC
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   LCD Keyboard

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   Server Rack

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   Wall Mount Computer

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OEM Projects

Return Policy


Raised Floor Mount Fan Unit
Model RA4018
TAA & NDAA Compliant

Key Benefits

Quad EC ( Electronically Communicated ) Fans

RA4018-4 consists of four high performance and quality EC fans. It provides unit CFM up to 2,100 and unit MTBF up to 50,000 hours.

Maximize CRAC Efficiency & Minimize Rack Hot Spots

RA4018-4 delivers strong cool air from underfloor via the contained aisle to the high density server racks to eliminate inside hot spots. Eventually, RA4018-4 not only maximizes CRAC efficiency, but also saves the energy cost.

Retrofits or New Construction Aisle

Well-designed mounting kit offers user a quick and easy installation. It is ideal for new project deployment or retrofit. User can just proceed with the installation on 600 x 600 mm raised floor and no rack movement is required.

Individual Fan On / Off

Each EC fan is equipped with an individual on / off switch. It provides flexibility for users while the aisle environment or rack cooling requirement changes.

Unit / Fan Speed Levels

Each EC fan is provided with 3 speed levels. User can adjust the speed level according to aisle environment and requirements. Energy expenses for the cooling become more cost-effective as lower speed level costs much less.

Overall Temperature Monitoring

By two temp. sensors and LED display, it is easy to monitor the temperature status in rack level, aisle level and even air duct underfloor level. Eventually, user can be aware of overall temperature environment.


EC Fan 230V 208V
No. of fans 4 4
Fan dimension ( mm ) 200 x 200 x 60 200 x 200 x 60
MTBF 50,000 hrs 50,000 hrs
Speed per fan 2,950 RPM 2,810 RPM
Noise 77 dBA max. 76 dBA max.
Operating frequency 50 Hz 50 Hz

Fan Control 230V 208V
Main on / off switch
Individual fan switch On / Off
Speed levels
Unit CFM Level 1 1,236 1,200
Level 2 1,560 1,512
Level 3 2,172 2,104
Fan CFM Level 1 309 300
Level 2 390 378
Level 3 543 526

Power 230V 208V
Unit Power Consumption ( 5% ) Level 1 43W 40W
Level 2 75W 71W
Level 3 170W 155W
Fan Power Consumption ( 5% ) Level 1 12W 11W
Level 2 19W 18W
Level 3 44W 40W
Input voltage 200 ~ 230V



Product ( W x D x H ) 540 x 520 x 65 mm
Packing ( W x D x H ) 718 x 674 x 133 mm
Net weight 12 kg / 26.4 lb
Chassis color Black
Chassis materials Steel
Support bracket Left & right side, set of 2

Temperature Monitoring
Temperature LED 2
Temperature port 2
Temperature sensor 2 ( external )
Measurement unit Celsius ( C ) or Fahrenheit ( F )
Measurement rage 0 to 99.9 C
Measurement accuracy +/- 1.5%

Operating temperature -5 to 60 C ( 23 to 140 F )
Storage temperature -25 to 65 C ( 13 to 149 F )
Operating humidity 20~90%, non-condensing
Storage humidity 5~90%, non-condensing

EMC FCC & CE certified
Safety CE / LVD certified
Environment RoHS2 & REACH


Package Content
Fan unit 1 pc
Temp. sensor 2 pcs
Mounting bracket set Left & right
Power cord 1 pc

Ordering Information
Part Number  Description
Raised Floor Mount Fan Unit





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