50x50x10mm 12V Brushless dc motor fan 4500rpm dc electric fan

  Product Description 50x50x10mm 12V Brushless dc motor fan 4500rpm dc electric fan   Size: 50X50X10mm Frame and Impeller: Plastic P. B. T. Voltage: 5V, 12V, 24V Current: 0.05~0.28A Power: 0.75~1.92W Speed: 3500~5500RPM Air flow: 7.15~10.83CFM Pressure: 1.72~3.16(mmH2O) Noise: 20.57~33.56dBA Bear type: Sleeve, Two Ball  are Available Weight: 20G Motor: Brushless DC, auto restart Impedance & polarity protected Operation temperature: -20° C~80° C Insulation Resistance: 10 At 500VDC between lead and frame Dielectric Strength: 1 min at 500VAC/50-60Hz, current min 5mA Operation Humidity: 20%~85% Working voltage: Rated voltage± 15% Life at 25oC: Ball bearing 50, 000hrs and sleeve bearing 30, 000hrs       Motor Protection (Selective purchasing): 1.Automatic Restart. 2.Reverse Polarity Protected 3.Water proof for IP25, IP55 4.IC function RD ,FG and PWM control are available   * Two ball bearing applying * Applying NMB ball bearing inported from Japan * Short lead time 1 Week after confirm order Packaging & Shipping   FAQ         Company Information           "Welcome to visit www.supercoolingfan.com our official website for more information!" It would be our pleasure to send all serious potential business partners some free samples and we sincerely hope to have the privilege of serving your business interest very soon!