12038B2HT Big air Flow AC Axial Cooling Fan

Product descriptions from the supplier    12038B2HT big air flow AC axial cooling fan     AXIAL FAN:12038B2H -HIGH AIR FLOW   Material: impeller: thermoplastic PBT of UL 94V-0 bobbin: thermoplastic PA66 of UL 94V-0 housing: die-cast aluminum,Painted black,anti-corrosion   Specification: lead wire or teminal Impedance protected operation temperature:-30°C to  75°C(ball bearing), -10°C to  70°C(sleeve bearing) life expectance:50000hours(ball bearing),20000hours(sleeve bearing)   The high airflow 12038B2HL is our improved model, with an increase in the airflow of about 5% compare with the normal fan.at the same time, the motor temperature of the improved unit is MUCH cooler than the normal design.      RATING FREQUENCY RATING POWER SPEED        AIR FLOW      STATIC NOISE    MODEL BEARING VOLTAGE CURRENT CONSUMPTION PRESSURE     VAC Hz A W RPM m3/min CFM mm-H2O dBA 12038B1H* Ball 115 50/60 0.26/0.19 17.0/15.0 2700/3100 2.78/3.34 98/118 8.80/9.80 42/47 12038B2H* Ball 220 50/60 0.12/0.10 17.0/15.0 2700/3100 2.78/3.34 98/118 8.80/9.80 42/47 12038B3H* Ball 380 50 0.06 15 2700 2.78 98 8.8 42