Additional Resources: Product Page 3D Model date 05/12/2021 page 1 of 6 SERIES: CBM-97B-2 DESCRIPTION: DC BLOWER FEATURES dual ball bearing 97 x 94 mm frame multiple speed options tachometer signal available auto restart 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 CBM-979433B-125-467 12 10.8~13.2 0.39 4.68 2,500 17.06 0.46 46.8 CBM-979433B-130-507 12 10.8~13.2 0.54 6.48 3,000 20.48 0.66 50.7 CBM-979433B-135-540 12 10.8~13.2 0.86 10.32 3,500 23.89 0.90 54.1 CBM-979433B-225-467 24 21.6~26.4 0.20 4.80 2,500 17.06 0.46 46.8 CBM-979433B-230-507 24 21.6~26.4 0.35 8.40 3,000 20.48 0.66 50.7 CBM-979433B-235-540 24 21.6~26.4 0.51 12.24 3,500 23.89 0.90 54.1 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 CBM-979433B-125-467 - XX - CXX Fan Signals Base Number Reserved for Custom blank = no signals Configurations 20 = tachometer signal cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CBM-97B-2 DESCRIPTION: DC BLOWER date 05/12/2021 page 2 of 6 INPUT parameter conditions/description min typ max units 12 Vdc input models 10.8 12 13.2 Vdc 6 operating input voltage 24 Vdc input models 21.6 24 26.4 Vdc 12 Vdc input models 7.0 Vdc starting voltage 24 Vdc input models 14.0 Vdc Note: 6. See Model section on page 1 for specific input voltage ranges. 7 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 2,500 3,500 RPM air flow at 0 inch H O, see performance curves 17.06 23.89 CFM 2 static pressure at 0 CFM, see performance curves 0.46 0.90 inch H O 2 noise at 1 m, rated speed 46.8 54.1 dBA Note: 7. See Model section on page 1 for specific values. 8 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart on all models polarity protection on all models soft start on all models tachometer signal available on 20 models Notes: 8. 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