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Originally Posted by jyl
Also, can you read the labels on furnaces, refrigerators, water heaters, etc to figure out starting power, or is there a good rule of thumb that if rated power is X, starting power is Y?
I'm interested in the soft-start devices but am trying to figure out which devices they should be used for.
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Anything with a high full load amp (FLA) rating.
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A soft starter is a solid-state system or device that protects AC electric motors from damage caused by sudden influxes of power by limiting the large initial inrush of current associated with motor startup.
They provide a gentle ramp up to full speed and are used only at startup (and stop, if equipped). Ramping up the initial voltage to the motor produces this gradual start.
Soft starters are also known as reduced voltage soft starters (RVSS).
Reduces voltage drop normally associated with motor starting.
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