The Online Soft Starters are based on advanced micro-processing as the core, adopts advanced software design method, the latest hardware technology and thyristor phase shift technology to achieve the soft start and soft stop functions of AC asynchronous motors, as well as the multiple protection functions such as phase failure, overvoltage, undervoltage, overcurrent, overload, three-phase unbalance, short circuit, etc.
The online running soft starter covers 5.5KW~500KW (7.5 hp~670hp) capacity, features factory price, reliable quality and good electromagnetic compatibility (EMC). It is suitable for fans, water pumps, compressors, etc. in coal mines, metallurgical mines, port terminals, coal preparation plants, power plants to control their soft start/direct start in heavy load and harsh environments.
Such a soft starter is an ideal replacement for those step-down starting equipment with star-delta conversion, auto-coupling voltage reduction, magnetron step-down, etc. and is the new product with soft start/direct start and soft stop.