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Black square 40mm cooling fan with ball bearing 24V 0.11A two-wire design

OEM Industries

OEM Industries 4020H24S ND1 40mm 24V 0.11A 2-Wire Ball Bearing Fan

SKU CH-VQ40-KWWG4

A 40 mm ball-bearing fan running on 24 V at 0.11 A with a two-wire connection

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • LEDNo
  • Compact 40 mm frame fits tight spaces
  • Ball bearing design extends operational lifespan
  • 24 V 0.11 A rating delivers efficient cooling
  • Two-wire connection simplifies power installation
  • Black square housing suits standard case layouts

Compact 40 mm cooling fan

The OEM Industries 4020H24S ND1 is a 40 mm square fan designed for tight chassis where a low-profile CPU air cooler is required. It runs on 24 V DC at 0.11 A through a two-wire connection and uses a ball bearing for durable rotation. The black frame fits standard 40 mm mounting holes in industrial or embedded systems.

Replaces larger or sleeve-bearing units

This fan suits builds that previously used thicker coolers or sleeve-bearing fans which wore out under continuous duty. The jump is worth it when space is limited to a 40 mm footprint and a 24 V supply is already present. It is not for builders who need higher airflow than a 40 mm frame can deliver or who require PWM speed control.

Steady airflow under constant load

Ball-bearing construction maintains consistent speed during sustained operation without the friction increase seen in sleeve alternatives. The two-wire design provides fixed-voltage running suited to always-on environments such as servers or industrial controllers. No LED lighting means no extra current draw or light bleed in dark racks.

Points forts

  • Compact 40 mm frame fits tight spaces
  • Ball bearing design extends operational lifespan
  • 24 V 0.11 A rating delivers efficient cooling
  • Two-wire connection simplifies power installation
  • Black square housing suits standard case layouts

Caractéristiques

Model4020H24S ND1
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
LEDNo

Questions sur cet article

What are the mounting hole dimensions for the 40mm square frame?

The fan uses a standard 40mm square frame with mounting holes spaced for that size; verify your heatsink or case uses the same 40mm hole pattern before fitting.

How do I connect the two-wire lead to a 24V DC source correctly?

Connect the red wire to positive and the black wire to negative on a 24V DC supply; reversing polarity will prevent the ball-bearing motor from starting.

When should I expect to replace the ball-bearing fan?

Ball bearings typically run for years at 0.11A load; replace the unit if rotor noise increases or airflow drops noticeably.

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