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Praćeni artikli Prijava
Black square 120mm NIDEC fan 38mm thick 2-wire 24V 0.41A

OEM Industries

OEM Industries B34978-55 12038 24V .41A 2-Wire CPU cooler

SKU CH-3S0Y-RQTNA

120 mm square fan with ball bearing runs on 24 V at 0.41 A via two wires

  • ColorBlack
  • TypeFan only
  • Fan Size120mm
  • Bearing TypeBall
  • LEDNo
  • 120 mm square frame fits standard mounting holes
  • NIDEC 12038 ball-bearing motor runs at 24 V 0.41 A
  • Two-wire power connection simplifies installation
  • 38 mm thick profile delivers high static pressure
  • Black finish matches most chassis aesthetics

Nidec 12038 square fan for 24 V systems

This 120 mm by 38 mm square cooler from Nidec runs on 24 V at 0.41 A and uses a two-wire connection. It is built as a fan-only unit with ball-bearing construction and no LED lighting. The black frame suits industrial or server chassis that require a compact 12038 form factor.

Two-wire power simplifies wiring in rack mounts

The 2-wire lead delivers power without a separate tach or PWM line, so installation is a single plug into a 24 V header or terminal block. Ball bearings reduce friction compared with sleeve types, extending service life in continuous-operation environments. No bundled software or accessories are included beyond the fan itself.

Ball-bearing motor and 38 mm depth fit tight bays

The 38 mm thickness matches standard 12038 mounting holes, allowing drop-in replacement for legacy Nidec B34978-55 units. Ball-bearing design tolerates higher ambient temperatures than sleeve equivalents, and the two-wire interface avoids the need for fan-speed reporting headers. Buyers who need PWM speed control or a three-wire tach signal cannot use this model.

Istaknuto

  • 120 mm square frame fits standard mounting holes
  • NIDEC 12038 ball-bearing motor runs at 24 V 0.41 A
  • Two-wire power connection simplifies installation
  • 38 mm thick profile delivers high static pressure
  • Black finish matches most chassis aesthetics

Specifikacije

ModelB34978-55
ColorBlack
TypeFan only
Fan Size120mm
Bearing TypeBall
LEDNo

Pitanja o ovom artiklu

Will the ball bearing in this 12038 fan need lubrication or replacement?

The ball bearing is sealed and rated for continuous operation without scheduled lubrication; replacement is only needed if noise or vibration increases after extended use.

What thermal limit appears first when this 24 V .41 A cooler runs continuously?

The motor’s 24 V 0.41 A rating sets the sustained power ceiling; exceeding the designed airflow envelope causes temperature rise before any electrical limit trips.

How loud and hot does the B34978-55 get during all-day operation?

With a 120 mm frame and 38 mm depth, the fan moves air at its rated 24 V current, producing moderate airflow noise and minimal heat from the motor itself.

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