| Customization: | Available |
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| Material: | Plastic |
| Usage: | for Experiment, for Air Conditioner, for Manufacture, for Refrigerate, 3D Printer |
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General Specifications and use of envirent
| Frame | Thermal Plastic,Environmental Protection & Fireproof |
| Impeller | Thermal Plastic,Environmental Protection & Fireproof |
| Bearing type | Sleeve bearing or double ball bearing |
| Lead wires | Red +,Black -, default 200mm length,can be customized lenth |
| Motor Protection | Impedance Protected;Reverse Polarity Protected;Automatic Restart |
| Operating Voltage | 4.5~5.5V,10.2-13.8V;20.4-27.6V (That's the suggest working voltage,not startup voltage) |
| Operating Temperature/Humidity | -10ºC~70ºC,15~85%RH |
| Storage Temperature/Humidity | -40ºC~80ºC,15~85%RH |
Specification
| Dimension | Model | Rated voltage(V) | Startup voltage(V) | Current Amp(A) | Speed(RPM) | Air flow(CFM) | Static Pressure(mmH2O) | Noise level(dBA) | Weight(g) |
| 35X35X07MM | 3507L | 5 | 3.5 | 0.13 | 6000 | 2.12 | 2.07 | 21 | 7.00 |
| 3507M | 5 | 3.5 | 0.18 | 7000 | 3.46 | 3.09 | 27 | 7.00 | |
| 3507H | 5 | 3.5 | 0.22 | 8000 | 4.79 | 4.13 | 31 | 7.00 | |
| 3507L | 12 | 6 | 0.07 | 6000 | 2.12 | 2.07 | 21 | 7.00 | |
| 3507M | 12 | 6 | 0.09 | 7000 | 3.46 | 3.09 | 27 | 7.00 | |
| 3507H | 12 | 6 | 0.11 | 8000 | 4.79 | 4.13 | 31 | 7.00 |
Spare Parts-Connector
Bearing type contrast
| Sleeve bearing | Double ball bearing | |
| Support function | FG,RD,Auto Restart function(not normal,optional) | FG,RD,PWM,Auto Restart(Not normal,optional) |
| Brand | NSK brand imported from Japan | Made in China |
| Advantage | Stable performance,low current amp,low noise,50000-80000hrs lifespan | Low cost,20000-30000 hrs lifespan,suit for small household appliance |
| Warranty | 30000 hours | 10000 hours |
| Material | Stainless | Copper sleeve |
| Price | Higher | lower |
FAQ
What's the difference between the sleeve and ball bearing fan?
The ball bearing brand was NSK bearing imported from Japan.
The warranty for ball bearing fan is 30,000 hours but sleeve bearing just 10,000 hours.
Ball bearing has 5-8 years lifetime,sleeve bearing has 2-3 years lifetime.
Ball bearing fan noise level won't change for a long time term,but sleeve bearing fan noise level will grown as time goes on.
Sleeve bearing is cheaper than ball bearing fans.
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