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Black 120 mm square fan with two wires

OEM Industries

OEM Industries B33534-55 120mm Square Fan 24V 0.45A 2-Wire

SKU CH-EEPJ-VD11S

A 120 mm square fan with ball bearing, running at 24 V and 0.45 A on a two-wire connection

  • Fan size120 mm
  • Bearing designBall
  • Product colorBlack
  • Product typeFan only
  • Square 120 mm frame fits tight server chassis
  • NIDEC 12038 motor delivers reliable 24 V operation
  • Ball bearing design extends continuous-run lifespan
  • Low 0.45 A draw reduces power-supply load
  • Simple two-wire connection speeds installation

120 mm Nidec square fan for 24 V systems

The OEM Industries B33534-55 is a 120 mm square frame fan built by Nidec for 24 V DC operation. It draws 0.45 A through a two-wire lead and uses a ball bearing for rotation. The unit is supplied as a fan only, without integrated heatsink or mounting hardware.

Two-wire 24 V interface limits speed control

The two-wire connection provides power only, so the fan runs at a fixed speed determined by the 24 V supply. No PWM or voltage-regulation signal is present, preventing automatic speed adjustment based on temperature. Builders needing variable fan curves must add an external controller or select a three- or four-wire alternative.

Ball bearing and bare frame suit industrial chassis

Ball bearing construction gives consistent performance in continuous-duty environments. The black square frame matches standard 120 mm mounting holes, allowing direct installation in server cases, rack enclosures or custom brackets. No LED lighting or decorative trim is included, keeping the focus on airflow reliability.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $24.99
Pricier than about 71% of the 1,559 comparable items (median $19.99).
Fan size 120 mm
Higher than about 80% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model nameB33534-55
Product colorBlack
Product typeFan only
Size & build
Fan size120 mm
Bearing designBall
More details
LED lightingNo

Questions about this item

Is the B33534-55 the only version available in this 120mm size?

Yes, the B33534-55 is the specific model supplied as a 120mm square cooler with a NIDEC 12038 fan.

What does the 24V 0.45A rating mean for daily operation?

It draws 0.45 amps at 24 volts, so the fan runs directly from a 24 V supply without extra regulation.

How does the 2-wire connection limit speed control?

The two-wire lead provides power only; speed is fixed unless the 24 V source itself is varied.

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