Intelligent and compact soft starters

29 October 2013

For operating currents from 11-1000A Eaton can now offer the new S811+ compact soft starter, which features integrated overload protection and by-pass contactor.

Enclosed versions of the S811+ are said to be up to 78% smaller than similar products and motor control centre (MCC) units up to 63%, offering space savings in the control cabinet. The new soft starter is suitable for use with or without an enclosure for pump, fan and conveyor belt applications.

The S811+ comes with an intuitive user interface with a copy-and-paste keypad on the removable operator panel. This function aims to simplify installation and save time during maintenance work. Monitoring functions include power, power factor, phase currents, phase voltage and device temperature.

The overload protection of the unit prevents device damage, both to the motor and soft starter, whether used in normal operation or in a faulty application, protecting against overloads, motor blocking, motor stalling, silicon controlled rectifier (SCR) over temperature, phase loss or unbalanced loads.

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