40x40x20mm
General Specifications
- Material……Frame:Plastic(Flammability:UL94V-0),Impeller:Plastic(Flammability:UL94V-0)
- Expected life……(ball bearing 50000 hours, sleeve bearing 30000 hours) continuous running under the condition of 40℃ , 15~65 % humidity
- Motor protection function……Looked rotor burnout protection, Reverse polarity protection
- Dielectric strength……50/60Hz,500VAC,for 1minute
- Insulation resistance……≥ 10 MΩ ,
(Through applying 500VDC between impeller hub center and lead wire (+) )
- Sound pressure level(SPL)……At 1m away from the air inlet
- Storage temperature……-30 to +70°C(Non-condensing)
- Lead Wire…… +Red -Black Yellow（sensor）Brown (Control)
(For models without PWM control function,there is no speed control wiring.)
- Mass……24.06g
Related Cooling Fans
- Specification
- Characteristics curves
- Dimensions(unit:mm)
| Item No. | Operating Voltage |
Maximum Air Flow |
Maximum Air Pressure |
Rotational Speed |
Rate Current |
Input Power |
Noise | ||
| (V) | (CMM) | (CFM) | (mmAq) | (inchAq) | (RPM) | (A) | (W) | dB(A) | |
| CHA4012BL-A20B | 12 | 0.05 | 1.82 | 1.95 | 0.08 | 3500 | 0.15 | 1.80 | 20.10 |
| CHA4012BM-A20B | 12 | 0.08 | 2.65 | 3.98 | 0.16 | 5000 | 0.20 | 2.40 | 27.00 |
| CHA4012BH-A20B | 12 | 0.12 | 4.12 | 9.60 | 0.38 | 7800 | 0.30 | 3.60 | 36.60 |
| CHA4024BL-A20B | 24 | 0.05 | 1.82 | 1.95 | 0.08 | 3500 | 0.06 | 1.44 | 20.10 |
| CHA4024BM-A20B | 24 | 0.08 | 2.65 | 3.98 | 0.16 | 5000 | 0.10 | 2.40 | 27.00 |
| CHA4024BH-A20B | 24 | 0.12 | 4.12 | 9.60 | 0.38 | 7800 | 0.15 | 3.60 | 36.60 |
| CHA4012RL-A20B | 12 | 0.05 | 1.82 | 1.95 | 0.08 | 3500 | 0.15 | 1.80 | 20.10 |
| CHA4012RM-A20B | 12 | 0.08 | 2.65 | 3.98 | 0.16 | 5000 | 0.20 | 2.40 | 27.00 |
| CHA4012RH-A20B | 12 | 0.12 | 4.12 | 9.60 | 0.38 | 7800 | 0.30 | 3.60 | 36.60 |
| CHA4024RL-A20B | 24 | 0.05 | 1.82 | 1.95 | 0.08 | 3500 | 0.06 | 1.44 | 20.10 |
| CHA4024RM-A20B | 24 | 0.08 | 2.65 | 3.98 | 0.16 | 5000 | 0.10 | 2.40 | 27.00 |
| CHA4024RH-A20B | 24 | 0.12 | 4.12 | 9.60 | 0.38 | 7800 | 0.15 | 3.60 | 36.60 |
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