Additional Resources: Product Page 3D Model date 05/14/2021 page 1 of 6 SERIES: CBM-120S DESCRIPTION: DC BLOWER FEATURES sleeve bearing 120 x 120 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 5 CBM-A232S-120-457 12 10.8~13.2 0.38 4.56 2,000 18.45 0.60 45.8 CBM-A232S-125-482 12 10.8~13.2 0.57 6.84 2,500 23.07 0.94 48.2 5 CBM-A232S-220-457 24 21.6~26.4 0.18 4.32 2,000 18.45 0.60 45.8 CBM-A232S-225-481 24 21.6~26.4 0.36 8.64 2,500 23.07 0.94 48.2 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. Typical rated speed is measured as RPM250 at rated voltage. 6. All specifications are measured at 25C, 65% relativ e humidity unless otherwise specified. PART NUMBER KEY CBM-A232S-120-457 - 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-120S DESCRIPTION: DC BLOWER date 05/14/2021 page 2 of 6 INPUT parameter conditions/description min typ max units 12 Vdc input models 10.8 12 13.2 Vdc 7 operating input voltage 24 Vdc input models 21.6 24 26.4 Vdc 12 Vdc input models 8.0 Vdc starting voltage 24 Vdc input models 14.0 Vdc Note: 7. See Model section on page 1 for specific input voltage ranges. 8 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 3 minutes 2,000 2,500 RPM air flow at 0 inch H O, see performance curves 18.45 23.07 CFM 2 static pressure at 0 CFM, see performance curves 0.60 0.94 inch H O 2 noise at 1 m, rated speed 45.8 48.2 dBA Note: 8. See Model section on page 1 for specific values. 9 PROTECTIONS / FEATURES parameter conditions/description min typ max units auto restart on all models polarity protection on all models tachometer signal available on 20 models Notes: 9. 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 25C, 65% RH, 90% confidence level 30,000 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