Factory Price Motor Soft Starter Bypass Contactor 220v 380v For Motor Protect
1. VKS8000 is a highly intelligent and very reliable also easy to use soft starter. The newly designed functions of VKS8000 are used for quick setting or more personalized cntrol. It is a perfect solution.
It's performance includes:
A. Large LCD screen that can display feedback information in Chinese and English languages, other languages can be customized.
B. Remotely installable operation panel and initive programming.
C. Advanced start and stop control functions.
D. A series of motor protection functions.
E. Extensive performance monitoring and event logging.
F. A variety of starting methods can meet your various load requirements, and users can choose the starting method according to their own load conditions.
G. Special bypass contactor and no need to install the external bypass contactor, the new built-in bypass contactor, compared with the ordinary AC conatctor, performance improved by 3 times, heat dissipation 2.6 times, safely 25% energy saving 20% service life up to 100000 times.
2. Working Principle of Soft Starter
The main component used for controlling the voltage in a soft starter is a thyristor. It is a controlled rectifier that starts conduction of the current flow in only one direction when a gate pulse is applied called the firing pulse.
The angle of the firing pulse determine how much of the input voltage cycle should be allowed through it. Since AC swings between maximum & minimum peak forming a complete 360° cycle, we can use the angle of firing pulse to switch on the thyristor for a specific duration and control the supplied voltage.The firing pulses can vary between 0° to 180°. The decrease in the angle of firing pulse increases the conduction period of thyristor, thus allowing high voltage through it.
3. Product picstures
4. VKS8000 series product download file center
VEIKONG VKS8000 bypass soft starter brochure.pdf
5. VEIKONG VKS8000 series product size specification
| Model | A mm | B mm | C mm | D mm | E mm | F mm | G mm | H MM | Weight(kg) |
| 11kw-55kw | 152 | 92 | 292 | 269 | 215 | | | | 5.2 |
| 75kw-115kw | 274 | 160 | 408 | 385 | 260 | | | | 17.5 |
| 132kw-500kw | 440 | 320 | 530 | 530 | 290 | | | | 35.5 |
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