Dimensions (unit: mm) Inlet side Outlet side +30 320 0 560.5 400.3 4-3.50.3 320.3 (5) (5) (10) Mounting hole (10) 40 9CRB type +30 Counter Rotating Fan 320 0 Lead wire Features AWG28 UL1061 AWG28 Energy-saving 4-3.50.3 UL1007 Mounting hole Power consumption is reduced by approx. 25% (Model no.: 9CRB0412P5S201 only) 1, 2, 3 Rotating direction Airow direction Rotating direction compared with our conventional fan* . *1 40 x 40 x 56 mm thick. San Ace 40, Model no. 9CRD0412P5J03. *2 Specification of Model no. 9CRB0412P5J201. *3 When air flow and static pressure is almost identical. Reference Dimension of Mounting Holes and Vent Opening (unit: mm) Inlet side, Outlet side 39 320.3 4-3.7 (18) 40 40 56 mm Specications The following nos. have PWM controls and pulse sensors. Operating PWM Operating Expected -1 Rated voltage Rated current Rated input Rated speed min Max. airow Max. static pressure SPL duty cycle Model no. voltage range temperature life 3 V (Note ) A W Inlet Outlet m /min CFM Pa inchH2O dB(A) % V h 100 1.4 16.8 22,000 19,700 0.9 31.8 1,045 4.197 68 9CRB0412P5S201 0 0.09 1.08 3,800 3,500 0.15 5.3 31 0.124 26 100 1.4 16.8 22,000 19,700 0.9 31.8 1,045 4.197 68 9CRB0412P5S301 0 0.09 1.08 3,800 3,500 0.15 5.3 31 0.124 26 -20 to +70 40,000 / 60 12 10.8 to 13.2 100 0.88 10.56 19,000 17,000 0.76 26.83 730 2.93 62 9CRB0412P5K001 0 0.11 1.32 5,700 5,100 0.21 7.41 67 0.26 33 100 0.72 8.64 17,300 16,000 0.71 25.1 650 2.61 61 9CRB0412P5J201 0 0.07 0.84 3,450 3,200 0.13 4.59 26 0.10 24 Note PWM frequency: 25 kHz Common Specications Material Frame, Impeller: Plastics (Flammability: UL94V-0) Expected life Refer to specications (L10: Survival rate: 90% at 60 , rated voltage, and continuously run in a free air state) Motor protection system Current blocking function and Reverse polarity protection Dielectric strength 50/60 Hz, 500 VAC, 1 minute (between lead conductor and frame) Sound pressure level (SPL) Expressed as the value at 1 m from air inlet side Notice Please read theSafety Precaution on our website before using the product. Operating temperature Refer to specications (Non-condensing) The products shown in this catalog are subject to Japanese Export Control Law. Diversion contrary to the law of exporting country is prohibited. Storage temperature -30 to +70 Non-Condensing For protecting fan bearings against electrolytic corrosion near strong electromagnetic noise sources, we provide effective countermeasures such as Electrolytic Corrosion Proof Fans and EMC guards. Contact us for details. Lead wire Inlet: RedBlackSensor: Yellow Control: Brown Outlet: OrangeGraySensor: Purple Control: White 3-33-1 Minami-Otsuka, Toshima-ku, Tokyo 170-8451, Japan TEL: +81 3 5927 1020 40 40 56 mm Airow - Static Pressure Characteristics PWM Input Signal Example Input signal waveform PWM duty cycle VIH=4.75 V to 5.25 V, 2.8 V to 3.8 V (Model no.: 9CRB0412P5K001 only) VIL=0 V to 0.4 V (inch H O) (Pa) (inch H O) (Pa) (inch H O) (Pa) 2 2 2 T1 VIH 12VDC 12 VDC PWM duty cycle (%) = 100 12 VDC T 4.5 800 900 1,100 3.5 1 3.0 PWM frequency 25 (kHz) = PWM duty cycle PWM duty cycle T 1,000 4.0 800 700 100% PWM duty cycle 100% Source current (Isource): 5 mA max. at control voltage 0 V 3.0 900 100% 2.5 3.5 700 600 10 mA max. at control voltage 0 V (Model no.: 9CRB0412P5K001 only) 800 2.5 VIL 3.0 600 500 Sink current (Isink): 5m A max. at control voltage 5.25 V 700 2.0 500 2.5 2.0 600 50% T 10 mA max. at control voltage 3.8 V (Model no.: 9CRB0412P5K001 only) 1 400 1.5 500 400 2.0 Control terminal voltage: 5.25 V max. (Open circuit) 1.5 50% 50% 300 400 300 1.5 3.8 V max. (Open circuit) (Model no.: 9CRB0412P5K001 only) 1.0 T 1.0 300 200 200 1.0 When the control lead wire is open, 0% 200 0.5 0% 0.5 0% the fan speed is the same as the one at a PWM duty cycle of 100%. 100 100 0.5 100 Either TTL input, open collector or open drain can be used for 0 0 0 3 3 3 (m /min) (m /min) 0 0.2 0.4 0.6 0.8 1.0 (m /min) PWM control input signal. 0 0.2 0.4 0.6 0.8 1.0 0 0.2 0.4 0.6 0.8 1.0 (CFM) (CFM) 0 5 10 15 20 25 30 35 (CFM) 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 Airow Airow Airow Example of Connection Schematic 9CRB0412P5S201 9CRB0412P5K001 9CRB0412P5J201 DC fan input voltage DC fan input voltage Inside of DC fan Inside of DC fan 9CRB0412P5S301 Operating voltage range Control Control (inch H2O) (Pa) (inch H2O) (Pa) (inch H2O) (Pa) PWM duty cycle 100% PWM duty cycle 100% PWM duty cycle 100% 4.5 800 1,100 900 3.5 Isource Isource 3.0 PWM input signal PWM input signal 13.2 V 1,000 12 V / 13.2 V 4.0 800 700 12 V / 13.2 V Isink Isink 3.0 900 3.5 12 V 2.5 700 600 10.8 V 800 2.5 10.8 V 3.0 600 700 2.0 500 2.5 2.0 10.8 V 500 600 400 9CRB0412P5S201 9CRB0412P5K001 1.5 500 2.0 400 1.5 9CRB0412P5S301 300 400 1.5 300 1.0 9CRB0412P5J201 1.0 300 200 1.0 200 200 0.5 0.5 100 0.5 100 100 Specications for Pulse Sensors 0 0 0 3 3 3 0 0.2 0.4 0.6 0.8 1.0 0 0.2 0.4 0.6 0.8 1.0 0 0.2 0.4 0.6 0.8 1.0 (m /min) (m /min) (m /min) 0 5 10 15 20 25 30 35 (CFM) (CFM) 0 5 10 15 20 25 30 35 (CFM) 0 5 10 15 20 25 30 35 Output circuit : Open collector Airow Airow Airow Inside of DC fan VCE+13.8 V max. 9CRB0412P5S201 9CRB0412P5K001 9CRB0412P5J201 Ic5 mA max.VOLVCE (SAT)0.6 V max. 9CRB0412P5S301 Pull-up resistor Sensor Pull-up voltage IC PWM Duty - Speed Characteristics Example Sensor output (VCE) -1 Voltage: 12 VDC -1 -1 (min ) (min ) (min ) PWM frequency: 25 kHz 25,000 20,000 20,000 -1 19,000 min -1 -1 22,000 min 17,300 min -1 Inlet side 17,000 min -1 -1 16,000 min 20,000 19,700 min Inlet side 15,000 15,000 Inlet side -1 5,700 min Output waveform Need pull-up resistor Outlet side 15,000 -1 -1 3,800 min 3,450 min Outlet side In case of steady running 10,000 10,000 T1 to 4 (1/4) T0 Outlet side 10,000 T1 to 4 (1/4) T0=60/4N (sec) One revolution -1 5,100 min -1 N=Fan speed (min ) 5,000 5,000 T0 -1 5,000 3,200 min -1 3,500 min T1 T2 T3 T4 0 100 (%) 0 100 (%) 0 100 (%) PWM duty cycle PWM duty cycle PWM duty cycle VOH 9CRB0412P5S201 9CRB0412P5K001 9CRB0412P5J201 9CRB0412P5S301 VOL 0V Static pressure Static pressure Speed Static pressure Static pressure Speed Static pressure Static pressure Speed