Zyvpee
Zyvpee RDD4020B2 40mm 4020 DC24V 0.09A 2 Wires Ball Bearing Case Fan
A 40 mm by 20 mm ball-bearing case fan running on 24 V DC at 0.09 A with a two-wire connector
- TypeCPU Cooler Fan
- Bearing TypeBall
- Power Connector2 Wires
- ColorBlack
- LEDNon-LED
- FeaturesInverter Cooling
- Ball bearing extends service life
- 24 V 0.09 A keeps power draw low
- 40 × 20 mm footprint fits tight chassis
- Two-wire power connector simplifies wiring
- Designed for inverter cooling applications
Compact 40 mm Cooling Fan
The Zyvpee RDD4020B2 is a 40 mm square case fan with a 20 mm thickness designed for tight spaces such as small-form-factor chassis or inverter enclosures. It runs on 24 V DC at 0.09 A and uses a two-wire power connector. The ball-bearing motor and non-LED black frame suit builders who need a basic, reliable airflow source without lighting.
Two-Wire 24 V Integration
The fan connects directly to a 24 V DC supply or a compatible frequency-converter header, so it needs a voltage source that matches the 24 V rating and a two-pin header or solder points. Its slim 20 mm profile frees vertical clearance above motherboard components or inside shallow enclosures. Builders who require PWM speed control or a three- or four-pin connector cannot use this model.
Ball-Bearing Sustained Operation
The ball-bearing design maintains consistent rotation during continuous duty in inverter-cooling or chassis-exhaust roles. With a fixed 0.09 A draw at 24 V, the motor delivers steady airflow without the speed drop-off sometimes seen in sleeve-bearing units under prolonged heat. Users who need variable speed curves or ultra-quiet acoustics at low RPM will find the fixed-voltage, two-wire design limiting.
Highlights
- Ball bearing extends service life
- 24 V 0.09 A keeps power draw low
- 40 × 20 mm footprint fits tight chassis
- Two-wire power connector simplifies wiring
- Designed for inverter cooling applications
Specifications
| Brand | 3ccooler.com |
|---|---|
| Series | RDD4020B2 |
| Model | RDD4020B2 |
| Type | CPU Cooler Fan |
| Bearing Type | Ball |
| Power Connector | 2 Wires |
| Color | Black |
| LED | Non-LED |
| Features | Inverter Cooling |
| Dimensions | 40*20mm |
Questions about this item
How long will the ball bearing last under continuous 24 V operation?
The ball bearing is rated for sustained 24 V use; its lifespan under continuous load matches the manufacturer's specification for this bearing type.
What noise and heat output should I expect when the fan runs all day at 0.09 A?
At 0.09 A the fan produces low acoustic noise and minimal heat rise typical of a 40 mm ball-bearing design in inverter cooling roles.
Which power connector must my system provide for the two-wire lead?
Your system needs a 24 V DC two-wire header or solder points; no PWM or tachometer pins are required.
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