Additional Resources: Product Page 3D Model date 02/07/2020 page 1 of 6 SERIES: CBM-120B DESCRIPTION: DC BLOWER FEATURES ball bearing design multiple speed options for different cooling needs 120 x 120 mm frame auto restart protection standard on all models 4 input input input rated air static noise MODEL 1 1 1 2 3 voltage current power speed flow pressure rated range max max typ max (Vdc) (Vdc) (mA) (W) (RPM10%) (CFM) (inch H O) (dBA) 2 CBM-A232B-121 12 6~13.8 450 5.4 2100 31.4 0.64 49.6 CBM-A232B-125 12 6~13.8 820 9.8 2500 35.9 0.89 53.8 Notes: 1. At rated voltage, 25C, 0 inch H 0 static pressure, after 10 minutes 2 2. As per AMCA 210 or DIN 24163, at rated voltage, stabilized RPM, 0 inch H 0 static pressure 2 3. As per AMCA 210 or DIN 24163, at rated voltage, stabilized RPM, 0 CFM airflow. 4. Measured in a semi-anechoic chamber with background noise < 15 dBA at 1 m from the fan intake. 5. All specifications are measured at 25C, 65% relativ e humidity unless otherwise specified. cuidevices.comAdditional Resources: Product Page 3D Model CUI Devices SERIES: CBM-120B DESCRIPTION: DC BLOWER date 02/07/2020 page 2 of 6 INPUT parameter conditions/description min typ max units operating input voltage 6 12 13.8 Vdc starting voltage 6 Vdc 1 PERFORMANCE parameter conditions/description min typ max units rated speed at rated voltage, 25C, after 10 minutes 2100 2500 RPM air flow at 0 inch H O, see performance curves 31.4 35.9 CFM 2 static pressure at 0 CFM, see performance curves 0.64 0.89 inch H O 2 noise at 1 m 49.6 53.8 dBA Note: 1. See Model section on page 1 for specific values. PROTECTIONS parameter conditions/description min typ max units when the fan motor is locked by an external force, the device will temporarily turn off electrical power auto restart to the motor and restart automatically when the locked rotor condition is released SAFETY & COMPLIANCE parameter conditions/description min typ max units at 500 Vdc between internal stator and positive insulation resistance of frame 10 M lead wire apply 500 Vac for 1 minute between housing and dielectric strength positive lead wire safety approvals UL/cUL 507, TUV (EN 60950-1) EMI/EMC EN 61000-6-1:2007, EN 61000-6-3:2007+A1 life expectancy at 40C, 65% RH 70,000 hours RoHS yes ENVIRONMENTAL parameter conditions/description min typ max units operating temperature -10 70 C storage temperature -40 70 C cuidevices.com