Soft starters enable advanced protection, monitoring

Product Exclusive: Eaton S811+/S801+ Soft Starters enable advanced protection and monitoring, helping industrial customers and original equipment manufacturers improve system reliability and maximize system performance with expanded motor control solutions.


Eaton S811+/S801+ Soft Starters enable advanced protection and monitoring, helping industrial customers and original equipment manufacturers improve system reliability and maximize system performance with expanded motor control solutions. Courtesy: EatonEaton Corp., a diversified industrial manufacturer, is expanding its soft starter solutions to help industrial and original equipment manufacturer (OEM) customers by announcing Eaton S811+/S801+ soft starters. Providing smooth acceleration and deceleration of the load, S811+ and S801+ products provide advanced monitoring, protection, and communication—helping customers reduce installation time and avoid downtime, in one of the smallest footprints in the industry.

“With powerful configuration capabilities, an intuitive user interface, and diagnostics information, the Eaton S811+/S801+ soft starters help customers reduce commissioning time, maximize system performance, and minimize downtime,” said Ram Tenneti, product manager at Eaton.

The S811+/S801+ soft starters are engineered for constant torque and variable torque applications. The expanded soft starter solutions provide OEM and industrial customers with power and power factor monitoring capability, analog input, and fault warnings, in addition to fault trips and integrated Modbus RTU communication capabilities. The intuitive streamlined digital interface for S811+ allows customers to configure, monitor, and enable protection and reduces commissioning time.  In addition, copy and paste capability makes it easier to commission multiple soft starters.

The soft starter family has integrated bypass contactor and overload, eliminating the need for an external bypass contactor. The inputs and relays are programmable, thus giving flexibility to the customer.

Available in open and packaged control configurations, the S811+/S801+ family has five frame sizes for current ranges from 11 A to 1000 A. It can take 230 V to 600 V, and up to 690 V from 180 A–850 A, with power up to 850 hp. 


See other products at Control Engineering automation products

ONLINE extra - more about Eaton

Eaton’s electrical business provides power distribution, power quality, control and automation, power monitoring, and energy management products and services. Through global electrical product series and solutions, Eaton addresses the most critical electrical power management challenges.

Eaton Corp. is a diversified power management company with more than 100 years of experience providing energy-efficient solutions that help customers effectively manage electrical, hydraulic, and mechanical power. With 2011 sales of $16 billion, Eaton provides electrical components, systems, and services for power quality, distribution, and control; hydraulics components, systems, and services for industrial and mobile equipment; aerospace fuel, hydraulics, and pneumatic systems for commercial and military use; and truck and automotive drivetrain and powertrain systems for performance, fuel economy, and safety. Eaton has approximately 73,000 employees and sells products to customers in more than 150 countries. 

- Edited by Mark T. Hoske, content manager CFE Media, Control Engineering, Plant Engineering, and Consulting-Specifying Engineer,

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