Product Usage: -Sine wave drive three-phase brushless motor, suitable for - air cushion machine, fuel cell, ventilator air supply, modified car seat cushion air supply, electric heat is sent air, high-grade soldering station smoke, sanding.  Product advantages: -High pressure (full pressure 9.5KPA), large air volume (580 liters / minute), low noise (45M (A) 1KPa distance 1M far), long life (run 8 hours, stop 60 minutes life up to 28000 hours), The motor movement is designed with a hollow cup structure, featuring high efficiency, high speed and high stability.  -This brushless fan has stable start, small size, low noise, low temperature rise, long service life, high efficiency, accurate accuracy, energy saving and environmentally friendly materials.  Note: This blower requires a drive to function properly.    Description: 1. Appearance: The fan adopts aluminum alloy + plastic cover and wind blade aluminum combination.  2. Features: compact structure, stable operation, low noise (10CMH2O, 1M distance, 42dB), long life (28,000 hours) (running 8 hours, stopping for 1 hour).  3. Uses: The most suitable choice for atmospheric particulate matter sampler, dust sampling instrument, medical cough machine, ventilator, fresh air system   Technical parameters: WM9250-24V;  Project Unit WM9250-24V;  Voltage V 24V;  Max Speed rpm 28000+/-5%;  Max Current A 8±0.2;  Max airflow L/min 580-600;  Max air pressure current A 9.5;  Max air pressure KPa 13;  Coil connection method   “Y”;  Max Power W 190;  Size mm D:92mm, H:50mm;  Weight g 350;  Holzer angle degree 120;  Bearing NSK double balls bearing;  Rotor magnet pole number   2;  Noise db(A) 45(1M-1KPa);  Speed adjustment   0-5V Or PWM;    Controller Drive +5V Hall power supply ;  0-5V Input;  HU Hall U Input VSR Speed control signal;  HV Hall V Input GND Ground;  HW Hall W Input ENA enable input;  GND Hall negative electrode FR Positive reversal;  U Phase U FG Speed pulse output;  V Phase V  GND Negative power supply;  W Phase W VCC Positive power supply;    Drive Controller Specification: Name 3 Phase Brushless DC Motor Dirve;  Rated Voltage 24V;  Working Voltage Range 14V-26V;  Max. Continous Current 8.5A;  Hall electrical angle 120°;  Current limiting protection 10A;  Weight 45g;    Package Included: 1x High Pressure Blower;  1x Drive