Alphacool ES 40mm 400-10,000rpm Fan (40x40x20mm) - Two Ball Bearing - PWM

  • 24823
  • 4250197135771
  • 0,039 kg
  • There are more than 250 units available
  • Images may differ slightly from the original
€25.98 *

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The Alphacool ES fans were specially developed for use in servers and workstations and, unlike... more
Product information

The Alphacool ES fans were specially developed for use in servers and workstations and, unlike usual, do not offer a 2 or 3-pin DC power connection, but a 4-pin PWM control.

PWM control
Instead of using the usual 2 cables or the 3-pin connection, Alphacool now uses a modern 4-pin PWM connection for the Enterprise fans, which is supported by more and more server motherboards. The fan always receives full voltage via the 4-pin PWM connection and is controlled by pulse width modulation. This means that the fan can be controlled over a much larger speed range. By controlling the fans in server racks, a considerable amount of energy can be saved. With 0% PWM control, the fans can even be stopped completely. The fan also offers a gentle start, which increases the service life of the fan and reduces the risk of injury. At speeds of several thousand revolutions per minute, no body parts should get between the fan blades.

Double ball bearing
Unlike classic plain bearings, the Alphacool ES fans have a double ball bearing for an increased service life under full load. Double ball bearings are generally considered to be the highest quality bearings in terms of durability and quality. This also ensures a high level of smoothness in terms of minimal vibrations.

Protection circuits
All Enterprise fans from Alphacool have several protective circuits. If the fans are blocked, they will attempt to restart automatically after a few seconds at a reduced speed. The gentle start-up, including the emergency start function, means the fan can be blocked for up to 72 hours without being damaged. If the polarity is reversed when connecting, the electronics will not burn out for at least 5 seconds. So if the fan is connected incorrectly for a short time, it is not a problem.

The Alphacool ES fans for servers and workstations offer an extremely high air flow and a very high static pressure. They are therefore ideal for use on radiators or as particularly powerful case fans.

Technical data
L x W x H: 40 x 40 x 20 mm
Speed: 400 - 10,000rpm
Fan bearing: Double ball bearing
Connector: 4-pin PWM
Cable length: 30 cm
Operating voltage: 7 - 14V
Starting voltage: 7V
Current consumption: 0.13 - 0.18A (1.56 - 2.16W)
Static pressure: 11.93 mm H2O
Air flow: 20.39 m³/h
Maximum volume: 36 dB(A)
MTBF: 70,000 hours

Download data sheet PDF: Alphacool ES 40mm 400-10,000rpm PWM

Technical details mehr
Technical details
Hersteller: Alphacool
Nennspannung: 12V DC
Startspannung: 7V
Stromanschluss: 4Pin
RPM Signalübertragung: Ja
LED: nicht vorhanden
Lautstärkebereich: 30 - 49,9 dB(A)
Luftförderbereich: 0 - 49 m³/h
Lebensdauer (bei 25°C): 70.000 h
Abmessungen: 40 x 40 x 20mm
Leistungsaufnahme: 2,16W
Nenndrehzahl: 10000 U/min
Druck: 11,93mm H2O
Luftförderleistung: 20,39 m³/h
Lautstärke: 36 dB(A)
Nenndrehzahlbereich: 0 - 9000 U/min
Farbe Rahmen: schwarz
Farbe Rotor: schwarz
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