10 Best
Lower Fan Speeds
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Product Highlights- Durable 3-pole grounded plug construction, no extra wires to deal with
- Note: to avoid the risk of burning out the fan motor, controller does not adjust below 50%. this controller is not compatible with shaded pole and brushless type motors
- Ipower fan speed controller will correctly and precisely adjust the speed of your duct and inline fans
- One control switch for 3 settings: variable speed, off, high, med, low
- Pecifications: voltage is 120v; current: 3 amps; wattage: 350w max; plug: 3-pole, american(grounded)
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Product Highlights
- Includes a heavy-duty aluminum fan with power plug cord, two fan guards, and mounting screw set.
- Low speed: has a lower noise and airflow rating than high speed models.
- Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
- Ul-certified fan with dual-ball bearings has a lifespan of 67,000 hours. can be mounted in any direction.
- 80 x 80 x 38 mm (3.2 x 3.2 x 1.5 in.) | 100 to 120v ac | airflow: 23 cfm | noise: 28 dba | speed: 2000 rpm
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Product Highlights
- Includes a heavy-duty aluminum fan with power plug cord, two fan guards, and mounting screw set.
- Low speed: has a lower noise and airflow rating than high speed models of the same size.
- Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
- Ul-certified fan with dual-ball bearings has a lifespan of 67,000 hours. can be mounted in any direction.
- 120 x 120 x 38 mm (4.7 x 4.7 x 1.5 in.) | 100 to 120v ac | airflow: 62 cfm | noise: 32 dba | speed: 1800 rpm
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Product Highlights
- 【application scenarios】the 6 inch duct booster fan designed to quietly ventilate grow rooms, bathrooms, kitchens, workshops, basements, attics and etc, in order to boost airflow in hvac systems.
- 【adjustable controller】 the 6-inch duct fan includes a variable speed controller, which can allows you to adjust the airflow and noise at will.
- 【energy-efficient ventilation】this powerful inline duct fan speed of 3300 rpm can create the air flow of 345 cfm, maximum power consumption is only 19.2w. upgrade dc motor & low noise effectively circulating air, quickly move vast amount of air to exhaust odors.
- 【easy to install】hon&guan air exhaust fan's blade and the body are made of high quality plastic, for quick removal and easy maintenance.
- 【excellent performance】duct size: 6” | dimensions: 7.28 x 5.79 x 5.79 in. | voltage: 100-240v| air presssure: 142 pa| noise: 32 dba.
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Product Highlights
- 2.if motor has replaceable carbon brushes it will work. (brushes will emit sparks at contact point
- 4.if your motor uses no carbon brushes this item will not operate the speed.
- 1.controls speed of brush-type motor only, such as electric drill.
- 3.not designed for induction, shaded pole, soft/slow start, or brushless type motors.
- 5.current capacity:15a;voltage capacity:120 ac;fuse:15a;line cord: 6ft （183cm）,3-wire,ul listed ,plug-3 pole,american(grounded)
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Product Highlights
- 【motor soft start function】: the one-way clutch has a motor soft start function, ensuring that the motor starts smoothly without any inrush current. this feature helps to protect the motor and extend its service life.
- 【digital encoder knob】 : the clutch is equipped with a digital encoder knob that allows for precise and consistent adjustment of the motor speed. this is more accurate and reliable compared to traditional potentiometers.
- 【switch control】: the one-way clutch comes equipped with a start-stop button and external switch control, allowing for various customer control requirements to be met.
- 【adjustable】 : the duty cycle, upper and lower duty cycle, and operating frequency of the one-way clutch can be easily adjusted to accommodate the specific operating characteristics of the motor, providing flexibility to the customer.
- 【standard instrument housing】 : the one-way clutch comes with a standard 5135 instrument housing, providing a convenient and secure installation option for customers.
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Product Highlights
- 2. fan speed controller, small size, high performance, saving operation space. fan temperature controller small size: 2.20x1.38x0.79inch (lxwxh), m3 mounting hole. can control various 12v/24v dc 2-wire/3-wire/4-wire fans or motors. maximum drive current 4a. 【3-wire/4-wire fans only need to connect the fan's power cord to the controller】
- 4. fan speed control module is equipped with a high-precision temperature sensor with a cable length of 30cm/11.8inch and comes with a mounting buckle. it can be used to measure the temperature of air, liquid and solid surface. the temperature measurement range is -20~110℃. the temperature measurement accuracy is ±1℃.
- 1. pwm speed controller adopts pwm control technology to realize temperature control and speed regulation. the fan speed can be controlled according to the ambient temperature. when the ambient temperature is lower than the set starting temperature, the governor controls the fan to stop running.
- 3. dual working mode optional, fixed temperature mode or adjustable temperature mode. fixed mode: the starting temperature of the governor becomes 30℃ (86°f), 30 to 50 degrees fan speed linear increase, 50°c(122°f) above the fan at full speed; adjustable mode: start-up temperature range: 10-50°c, full speed range of 30-70°c (full-speed temperature=start temperature +20°c).
- 5. notice: the voltage of the dc power supply used must be the same as the voltage of the fan, and the current of the power supply must be greater than the total current of the fan. the speed governor has a hysteresis circuit. the start temperature and the stop temperature of the fan are set by the difference of 2°c.
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Product Highlights
- Includes a heavy-duty aluminum fan with power plug cord, two fan guards, and mounting screw set.
- Low speed: has a lower noise and airflow rating than high speed models.
- Designed for projects that requires cooling or ventilation; or as a replacement fan for various products.
- Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright.
- Dimensions: 120 x 120 x 25 mm | airflow: 51 cfm | noise: 30 dba | bearings: dual ball
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