Additional Resources: Product Page 3D Model date 05/24/2022 page 1 of 8 SERIES: CFM-40BG DESCRIPTION: DC AXIAL FAN FEATURES dual ball bearing system 40 x 40 mm frame multiple speed options PWM/tachometer wires available 2 4 input input input rated airflow static noise MODEL 1 1 1 3 voltage current power speed pressure rated range max max typ typ (Vdc) (Vdc) (A) (W) (RPM10%) (CFM) (inch H O) (dBA) 2 CFM-4020BG-1100-389 12 10.8~13.2 0.20 2.40 10,000 11.77 0.40 38.9 CFM-4020BG-1120-429 12 10.8~13.2 0.30 3.60 12,000 14.13 0.57 42.9 CFM-4020BG-1140-462 12 10.8~13.2 0.50 6.00 14,000 17.52 0.89 46.2 CFM-4020BG-1165-498 12 10.8~13.2 0.59 7.08 16,500 19.42 1.08 49.8 CFM-4020BG-1185-523 12 10.8~13.2 0.72 8.64 18,500 22.52 1.46 51.7 CFM-4028BG-180-369 12 10.8~13.2 0.21 2.52 8,000 9.75 0.39 37.0 CFM-4028BG-1100-418 12 10.8~13.2 0.30 3.60 10,000 12.19 0.61 41.8 CFM-4028BG-1130-475 12 10.8~13.2 0.39 4.68 13,000 15.85 1.03 47.5 CFM-4028BG-1160-520 12 10.8~13.2 0.54 6.48 16,000 19.51 1.56 52.0 CFM-4028BG-1200-568 12 10.8~13.2 0.94 11.28 20,000 24.38 2.44 56.9 CFM-4028BG-1230-598 12 10.8~13.2 1.38 16.56 23,000 28.04 3.23 60.0 CFM-4028BG-1250-617 12 10.8~13.2 1.76 21.12 25,000 30.48 3.82 61.7 Notes: 1. At rated voltage, after 3 minutes. 2. At rated voltage, room temperature, 65% humidity, 0 inch H 0 static pressure. 2 3. At rated voltage, 0 CFM airflow. 4. Measured in an anechoic chamber as per ISO3745/GB4214-84 at rated voltage, with background noise 202 dBA at 1 m from the fan intake. 5. All specifications are measured at 25C, 65% relativ e humidity unless otherwise specified. PART NUMBER KEY CFM-4020BG-1100-389- XX - CXX Fan Signals Base Number Reserved for Custom blank = no signals Configurations 20 = tachometer signal 22 = tachometer signal / PWM control signal cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CFM-40BG DESCRIPTION: DC AXIAL FAN date 05/24/2022 page 2 of 8 INPUT parameter conditions/description min typ max units operating input voltage 10.8 12 13.2 Vdc CFM-4028BG-1230-598 models 10.0 Vdc starting voltage CFM-4028BG-1250-617 models 9.0 Vdc all other models 7.0 Vdc 6 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 8,000 25,000 RPM air flow at 0 inch H O, see performance curves 9.75 30.48 CFM 2 static pressure at 0 CFM, see performance curves 0.39 3.82 inch H O 2 noise at 1 m, rated speed 37.0 61.7 dBA Note: 6. See Model section on page 1 for specific values. 7 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart on all models polarity protection on all models soft start on all models except CFM-4020BG-1185-523 tachometer signal available on 20 and 22 models PWM control signal available on 22 models Notes: 7. See Application Notes for details. SAFETY & COMPLIANCE parameter conditions/description min typ max units insulation resistance at 500 Vdc between frame and positive terminal 10 M at 500 Vac, 60 Hz, 1 minute between housing and dielectric strength 5 mA positive terminal safety approvals UL/cUL 507, TUV (EN/IEC 62368-1:2020+A11) EMI/EMC EN 55032:2015, EN 55035:2017 life expectancy at 40C, 65% RH, 90% confidence level 70,000 hours RoHS yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -10 70 C storage temperature -40 75 C operating humidity non-condensing 35 85 % storage humidity non-condensing 35 85 % cuidevices.com