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S811+ soft starter bypass trigger

The SCR’s turn off once the FLA falls below 2X FLA set point.  The Soft Starter fires the SCR's to bring the motor up to speed,  The bypass contacts close to provide a low resistance path from line to load. The SCR's are still firing, but the majority of current moves thru the bypass contacts until the SCR’s bias off and will turn back on prior to breaking the load.  The bypass contactor is not going to make or break currents as the SCR’s will bias back on prior to releasing the bypass contactor. set point. 

 

S811+ /S801+ Product Overview

Overview of soft stop functioning on S811+ soft starters