Top 6 Best Variable Frequency & Adjustable Speed Drives

PWM Control Electromagnetic Compatibility----This VFD Inverter adopts with unique control method to ensure an excellent performance during the working period. It features with the functions of high torque, high accuracy and wide speed regulating range driving to offer a wonderful experience for you. Control Method-----VF Open Loop. Provide More Stable Performance----This Variable Frequency Drive has a good anti-trip performance, the ability to adapt to rough power, and it also can avoid the temperature, humidity and dust interference, so it offers a more stable experience for you. Easy Operation Installation---- This Frequency Drive Inverter is very easy and simple to operate and wire. And there are a lot of buttons for easy and quick adjustment, such as the fast start and stop response, large torque at low speed and etc. Fast start and stop response, large moment of force at low speed..

High performance - high turning moment, high accuracy and wide speed drive. Anti-tripping - with the ability to adapt to harsh grid, temperature and dust interference. Environmental protecting function - low noise and low electromagnetic interference. It is suitable for controlling the start, stop, speed regulation and CWCCW of the motor to meet the conditions required for production or equipment use.. Adopt PWM control output voltage regulation mode, it has sable performance.

HIGH PERFORMANCEThis VFD uses unique control method to realize high torque, high precision and wide speed regulating range driving, with high performance.. STABILITYIt has good anti-trip performance and ability to adapt to rough power, temperature, humidity and dust interference, greatly improved stability.. LOW NOISE AND ELECTROMAGNETIC INTERFERENCEBy optimizing PWM control technology and electromagnetic compatibility, it satisfies users' requirement of low noise, low electromagnetic interference.. SAFETYOver current, over voltage, over heat, overload, under voltage, intelligent power module protection.. EASY TO USESimple to operate and wire. Fast start and stop response, large torque at low speed..

This is single phase VFD with 1 phase INPUT and 3 phase OUTPUT,the power is 2.2KW, 220V,10A, VFD Dimension 130 x 103 x 200 mm L x W x H. Please note The working environment is relatively humid, with water mist, water droplets or metal objects falling in, which will cause a short circuit.. Input voltage 220V-15 Output voltage 220VAC Input frequency 5060 Hz Output frequency 0-400 Hz Input phase 1 phase Output phase 3 phase.. Application Spindle Motor, Drill Press, CNC, HVAC, Lathe, Milling, Pumps, Conveyors, Mach3, Fan, Cooling, Compressor, Three-phase motor and other machines. Due to the VFD product is a flexibly configurable device , you are welcomed to consult with our CS make best choice for your exact application.. Simple to operate and wire, convenient for you to use. Warranty 1 Year replace or refund.

Wide operating voltage DC3.330VOutput Current8AMax. Note The signal generator can't reverse the positive and negative poles, otherwise it may be burnt. Two modes can be selected PWM mode adjusting frequency and duty cycle, Note The number of switches cannot be set in this mode. PULSE mode Set power-on delay and start-up time, the number of switching times is adjustable. Features LED brightness, motor speed, frequency, duty cycle all can be adjusted. All parameters will be automatically saved after the setting is completed and will not be lost when the power is turned off. Can directly drive loads LEDs, motors, solenoid valves and other loads can be directly driven. Pulse number, frequency, duty cycle, adjustable cycle delay. For more details, please read the user manual or ask us for help. Application It can control the turn-on and turn-off of the equipment, which can be used for switch fatigue tests. Power-off test to verify the reliability of the equipment. Used for PWM signal generator drive lampmotor solenoid valve square wave rectangular wave signal generator servo motorstepper motor electric jaw.

Input voltage 220V-15 Output voltage 220VAC Input frequency 5060 Hz Output frequency 0-400 Hz Input phase 1 phase Output phase 3 phase.. Application Spindle Motor, Drill Press, CNC, HVAC, Lathe, Milling, Pumps, Conveyors, Mach3, Fan, Cooling, Compressor, Three-phase motor and other machines. Spacing 2.54mm bar connector, 5-pin plug. DC cooling fan low noise, large air volume.. The machine is screwed to ensure the safety and reliability of the use. Three anti-paint protection lines, improve and extend the life of the fuselage.. The operator panel can be moved out and extended by 2M, 1.5M, 1M, 30CM. 1 Year replace or refund.

Digital rotary encoder buttonThe rotary encoder adopts the principle of digital pulse, the output will be as much as you rotate it, and the same value will be input when you rotate it next time. Good repeatability, high precision, can be quickly adjusted to the value you want. Soft-start protectionThe motor controller has a soft-start protection function that can effectively reduce the inrush current, protect the motor and prolong the life of the motor. Duty cycle, duty cycle upper and lower limits and working frequency can be setThe 3 digits LED motor speed regulator can adjust the duty cycle, the upper and lower duty cycle limits and the operating frequency. Convenient for customers to use according to the working characteristics of their own motors. The adjustable electronic speed controller can automatically save the set parameters to prevent data loss after a power failure. With the start and stop button The PWM DC motor governor with start and stop button, and can be controlled by an external switch, meet your multiple control needs. Maximum power 150W. Working voltage DC5V30V, input with anti-reverse connection protection. Note This product can only be used for DC brushed motors, not for brushless motors. For more details, please read the user manual httpsm.media-amazon.comimagesI91Yf0pb0V9L.pdf.

Plug play. Easy to use,powered by USB port. No external driver and Power needed. Just plug it into your USB port and the DVD driver will be detected. High speed. Compatible with USB3. 0 and backwards compatible with USB2. 0 , bringing faster data transmission speed up to a maximum of 5Gbps and stable performance with strong fault tolerance. Intelligent tech. Designed with eject button so that you never have to worry about your disc getting stuck inside this external CDDVD drive. The copper mesh technology of this external component, you can be rest assured of stable data transmission. Trendy design. Brushed texture shell brings trendy sight and touch enjoyment. Embedded cable design, worry- off cable missing any when and where. Wide compatibility. Ideal for various devices. It supports Windows XP2003Vista78. 110, Linux, all version Mac OS system. For the desktops, Please connect the device to the back USB port of the motherboard for normal use.

Upgraded Recording Quality new design digital voice recorder, dynamic noise cancellation microphone, capture 1536kbps crystal clear audio. Voice Recorder Easy Transfer File to Computer this mini recorder device can set recording quality at MP3 128kpbs, 64kpbs WAV 1536kpbs, simple charge recording device or transfer recordings to computer easily via supplied Micro USB cable, an useful gift for students, professor, teacher, businessman, writer, blogger, anyone who loves to record. Simple Powerful Recording Device easy to figure out, press REC starts to record press STOP, save the recordings safely. Small Voice Recorders with A-B repeat, fast forward, rewind function during playback, a helpful recorder for lectures, meetings, interviews, speeches, class. Voice Activated Recorder set the AVR voice activated function, record only when teacher is speaking, reduce blank and whispering snippet, save space and time. Recording your appointment, meetings, interviews,speeches, lectures easily.. Easy File Management recordings with time stamp, easy to find out when you recorded, what it recorded. Package 1 x Voice Recorder, 1 x earphone, 1 x USB Cable securely wrapped with film..

Input voltage 220V AC. Output voltage 50V-220VOutput voltage Input supply voltage. The maximum output power 2000W The maximum output current 25A. High efficiency,high torque and low heat generating. Operation environment temperature-20'C-40'C Dimension 1.851.381 inches.