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User friendly soft starter

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article image ABB’s PST soft starter

ABB ’S PST soft starter range aids operators in a choice of 11 languages. It gives step by step instructions on subjects ranging from programming to daily operation to maintenance.

It also communicates with other components in a plant. An optional field bus plug allows data to be exchanged smoothly between units, regardless of brand or communications protocol.

The main purpose of a soft starter is to give electric motors a smooth start. With a soft starter, the motor is started up slowly and gently. Starting currents are reduced and current spikes eliminated, prolonging the life of surrounding mechanical equipment such as couplings, belts and gearboxes.

Many users would save money using a soft starter instead of a frequency converter. Where the only task required is soft starting and stopping a motor, and operating it at full speed all the time, a soft starter does the job just as well.

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