Certification: ce, RoHS, ETL Warranty: 1 Year After-sales Service Provided: Online support Life time(MTTF): >20,000hours (under 25 degree C) Weight: 500 grams Housing material:PC Unit size: D80mm*H45mm Motor type:Three Phase DC Brushless Motor Controller: external Static pressure: 12.7kPaBrand name: Wonsmart High pressure with dc brushless motor Blower type: Centrifugal fan Voltage: 24vdc Bearing: NMB ball bearing Type: Centrifugal Fan Applicable Industries: Manufacturing Plant Electric Current Type: DC Blade Material: plastic Mounting: Ceiling Fan Place of Origin:Zhejiang, China Voltage:24VDCWS8045-24-X200 blower can reach maximum 39m3/h airflow at 0 kpa pressure and maximum 12.7kpa static pressure. Other load point performance refer to below P-Q curve：(1)WS8045-24-X200 blower is with brushless motors and NMB ball bearings inside which indicates very long life time; MTTF of this blower can reach more than 20,000 hours at 20 degree C environmental temperature. (2)This blower needs no maintence (3)This blower drived by a brushless motor controller have many different control functions such as speed regulation,speed pulse output,fast acceleration, brake etc.it can be controlled by intelligent machine and equipment easily. (4) Drived by brushless motor driver the blower will have over current, under/over voltage,stall protections.Q：Are you factory or trading company? A: We are factory with 4,000 square meters and we have been focus on high pressure BLDC blowers for more than 10 years Q：Can you design a new blower fan if we give you target performance? A: Yes, we offer ODM service for both blower fan and controller board Q：Can we connect this centrifugal air blower directly onto power source? A: This blower fan is with BLDC motor inside and it needs a controller board to run. Q：What kind of power source shall we use to drive this blower fan? A: Generally, our customers use 24vdc switching power supply or Li-on battery. Q：Do you also sell controller board for this blower fan? A: Yes, we can supply adapted controller board for this blower fan. How to change impeller speed if we use your controller board? You can use 0~5v or PWM to change speed. Our standard controller board is also with a potentiometer to change speed conveniently.This small electric air turbo blower can be widely used onto CPAP/Ventilator machine, and other medical devices. How to use the blower correctly: This blower can run at CCW direction only.Reverse the impeller running direction can not change the air direction. Filter onto the inlet to protect the blower from dust and water. Keep the environmental temperature as low as possible to make the blower lifetime longer.