50x50x20mm 12V Delta dc cooling fan

  Product Description 50x50x20mm  5V 12V dc cooling fan Size: 50X50X20mm Frame and Impeller: Plastic P. B. T. Voltage: 5V, 12V, 24V Current: 0.06~0.32A Power: 0.90~2.40W Speed: 3500~5500RPM Air flow: 11.25~18.15CFM Pressure: 3.05~4.76(mmH2O) Noise: 23.25~33.68dBA Bear type: Sleeve, Two Ball  are Available Weight: 32G 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