ZJSHUYI 22kw bypass soft start package full version.www.shuyitop.com #so...
The soft starter is only used for starting, continuous use is not allowed, so a bypass contactor should be used after starting.
The bypass soft starter must be used together with the contactor to work normally. After the soft starter starts, the main current is switched to the bypass contactor, and the current during normal operation does not go inside the soft starter, but this does not mean that this is the case. When the soft starter is useless.
There is a high-precision transformer inside the soft starter, the main current will pass through it, and the soft start detects the current and voltage during operation through the transformer. The contactor will command the coil of the bypass contactor to de-energize, and the contactor will disconnect the main current, thus playing a variety of protection functions.
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