Catalog excerpts
Reversible Flow Fan ■ Features Reduces the required number of fans ・Multiple fans are usually needed to blow air in both directions to ventilate houses, beverage vending machines, food display cases, and printers. ・Wind direction of the fan can be switched so fewer fans are required. ・Reduces equipment costs and saves space. ・Rotational speed is controlled using an external PWM signal to deliver an appropriate rotational speed, reducing noise and saving energy. Same cooling performance in both directions ・Has approximately the same airflow and static pressure in both blowing directions, so it is easy to control performance. ■ Specifications The following nos. have PWM controls and pulse sensors. Model no. Operating Expected Operating PWM Rated current Rated input Rated speed Max. airflow Max. static pressure SPL Rotation Rated voltage temperature life voltage range duty cycle [A] [W] [min-1] [m3/min] [CFM] [Pa] [inchH2O] [dB(A)] direction [V] (Note) [℃] [h] [V] [%] Forward Reverse Forward Reverse Note: PWM frequency: 25 kHz Available options: Without Sensor Please inquire as the availability of these options depends on the model. ⇒ Lock sensor ■ Common Specifications □ Material ・・・・・・・・・・・・・・・・・・・・・・・・・・ Frame, Impeller: Plastics (Flammability: UL94V-0) □ Expected life ・・・・・・・・・・・・・・・・・・・・・ Refer to specifications (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 □ Operating temperature ・・・・・・・・・・・・ Refer
Open the catalog to page 1■ Airflow - Static Pressure Characteristics Forward (inch H2O) ■ PWM Duty - Speed Characteristics Example
Open the catalog to page 2■ PWM Input Signal Example Input signal waveform VIH=4.75 V to 5.25 V VIL=0 V to 0.4 V 1 T1 PWM duty cycle (%) = PWM frequency 25 (kHz) = ×100 Source current (Isource) : 1 mA max. at control voltage 0 V Sink current (Isink) : 1 mA max. at control voltage 5.25 V Control terminal voltage: 5.25 V max. (Open circuit) When the control lead wire is open, the fan speed is the same as the one at a PWM duty cycle of 100%. Either TTL input, open collector or open drain can be used for PWM control input signal. ■ Example of Connection Schematic + ○ Control PWM input signal Isource ■ Specifications...
Open the catalog to page 3■ Dimensions (unit: mm) 4-φ3.5±0.3 Mounting Hole (10) Airflow direction (Forward) Airflow direction (Reverse) Rotating direction (Forward) Rotating direction (Reverse) ■ Reference Dimension of Mounting Holes and Vent Opening (unit: mm) Impeller side, Nameplate side 45° ■ Option (unit: mm) Finger guard Model: 109-1139 Surface treatment: Nickel-chrome plating (Color: silver) Impeller side, Nameplate side φ1.6 ●Please read the "Safety Precautions" on our website before using the product. ●The products shown in this catalog are subject to Japanese Export Control Law. Diversion contrary to the law...
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