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Noiseblocker NB-Blacksilent XK1 ( 140x140x25mm )

  • 79037
  • ITR-XK-1
  • 4250051906141
  • 0,191 kg

> 25 available in stock

£11.61 *

Prices incl. VAT plus shipping costs

Technische Details und Videos... mehr
Technical details
Air flow: 60 m³/h
Air flow range: 50 - 99 m³/h
Dimensions: 140 x 140 x 25mm
Frame Color: black
LED: Not available
Lifespan (at 25°C): 80.000 h
Manufacturer: Noiseblocker
Power connector: 3Pin Molex
Power input: 0,84 W
Pressure: 0,37 mm H2O
RPM signal transmission: Yes
Rated speed: 800 U/min
Rated speed range: 0 - 950 U/min
Rotor color: blue
Size: 140mm
Start voltage: 5V DC
Voltage rated: 12V DC
Volume: 12 dB(A)
Volume range: 10 - 19,9 dB(A)
The ideal compromise between noise and performance in combination with uniquely affordable price...more
Product Information

The ideal compromise between noise and performance in combination with uniquely affordable price have made the BlackSilent fans the series with the most sold fans on the market!

The new 140mm XK fans expand the portfolio with ultra-quiet 140mm fans. The extremely low starting voltage and the almost pulse-noise free motor make this 140mm fan the first choice! Of course an Auto-restart function as well as the dust-repelling fan blades and the almost inaudible NB-longlife bearing are implemented!

Top-quality designed and developed in Germany!#

In detail:

  • Extremely low starting voltage of only 4,5V!
  • Powerful yet silent operation:
  • Smooth and extremely quiet operation
  • Highest safety:
  • Inverse polarity protection, overload protection, Restart-function, extremely fail-safe, 6 years warranty
  • Extremely quiet bearing
  • Long-lived and quiet NB-NanoSLI® bearings and much more
  • With Auto-restart functionality
  • Developed in Germany


The (((Noiseblocker))) BlackSilent series is an inexpensive and reliable ultra silent fan series. The fans are developed in Germany and feature extremely quiet operation as well as high reliability.
Other than the most cheap fans the low noise levels remain for years of operation on their low level.

The reason is the choice of materials and precise manufacturing.
Other than 95% of the so called ''fan brands'' (((Noiseblocker))) develops the fans themselves and uses high quality parts even in their ''cheap'' fans. The BlackSilent fans are simple and solid fans with quality components that naturally have their price.

Unlike other competitors we give only realistic and serious technical data.
We leave it to the customer to judge claims such as ''400 000h MTBF'' (provided by multiple competitors). By the way: 400 000 hours are more than 45 years...

With the Rev. 3 of the BlackSilent series you purchase a reliable product optimized for silent operation.
From now on we include NB-Slics (vibration absorbers) with the 80&92mm retail fans as well as screws with the 120mm versions.
The further improved quality makes us confident that we can elongated the warranty period by one year to 3 years.

The fans are available in the sizes 40, 60, 80, 92, 120 and 140mm.
There are 2 versions of each size: The version 1 is almost inaudible and intended for standard systems, the version 2 is almost not noticeable in operation and developed for more powerful systems.

Als Lager kommt unser besonders langlebiges NB-NanoSLI® Gleitlager zum Einsatz.

The failure rate was furthermore improved and is now 0,001% (before 0,15% of 100 000 units p.a.)
The MTBF could be raised to 80 000 realistically with the Rev. 3

Warranty: 36 months

Technical specifications:
Dimensions: 140x140x25mm
Weight: 135g
Nominal voltage: 5-13,2V
Starting voltage: <4,5V
Power consumption: 0,84W
Current: 0,05A (max)
Nominal speed: 800rpm (+-10%)
Static pressure: 0,370mm H2O
Airflow: 60m3/h
Noise level: 12 dB/A
MTBF (25°): 80 000h
Connector: 3 Pin Molex with rpm signal

Further product information:
Production following ISO9001(2000) & IO14001'
CE, TÜV,RoHS conformity

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