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HVAC Product/Literature/Software
Soft start controllers

Controllers: Eaton Corporation

October 12, 2011
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Diversified industrial manufacturer Eaton Corporation is expanding its soft start controller solutions for construction and OEM customers. Gradually accelerating and decelerating the load, the S611 soft starter is designed to minimize shock to mechanical components, extend system life, increase reliability, reduce maintenance and lower energy requirements.

Featuring an integrated bypass and overload protection, the S611 reduces installation time and costs. Additionally, heating losses are minimized and the S611 design eliminates the need for an external contactor.

With a powerful and intuitive user interface, the S611 soft starter provides customers with overload, undervoltage, overcurrent, phase loss, jam and stall protection, and power monitoring capabilities. Customers can customize parameters to meet specific application requirements. The S611 is simple enough to use without requiring a manual, simplifying commissioning.

An open chassis design makes it easier to service the S611. The modular design approach minimizes downtime and improves service life.

 With both open and enclosed configurations, the S611 is available in six frame sizes for current ranges from 26 to 414 amperes. It can take 230 to 600 volts with power from 40 to 350 horsepower. Additionally, the S611 is rated to National Electrical Manufacturers Association (NEMA) Type 1, 12, 3R, 4 and 4x with high-fault combination ratings up to 100 kilo amperes for the most rigorous application requirements. It also meets Underwriters Laboratories® (UL) and Canadian Standards Association® (CSA) standards, and is Restriction of Hazardous Substances (RoHS) compliant.

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