S811+ Soft Starters

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The S811+ Soft Starters are enclosure-mounted electrical devices that are designed and manufactured by Eaton Cutler-Hammer. They have been specially manufactured to be used with other motors as soft-starting devices. They can easily work with 3-phase supplies. They are equipped with 6 SCRs which are connected to each other by using a full-wave power bridge. The variation in the SCR conduction controls the voltage applied to the motor. Finally, the torque is controlled by using the generated voltage from the motor. The S811+ Soft Starters follow the common industry protocol and they come with different communication capabilities. They come with the Modbus communication protocol. The front parts of the started devices house a digital interface module which is used by the operators to configure and troubleshoot the starter devices. The modules are equipped with keypads with different navigational and control keys. The detachable 12-pin locking control terminal block is located on the bottom part of the front side. The starters meet different standards and certifications, including the UL, CSA, IEC, and CCC standards. The starter device meets the specifications set by NEMA, ICS, etc.


The Eaton Cutler-Hammer S811+ Soft Starters are equipped with electronic motor overload protection features. These features help to protect the motors and the power wiring against overheating due to excessive current for a long time. The starters are available in different frame sizes, current ratings, power output ratings, maximum current carrying capacities, operating frequencies. The S811+ Soft Starters can be operated at up to an altitude of 2000 meters above sea level. These starters are resistant to a shock of 15 G maximum from all directions and they are vibration-resistant to vibrations of up to 3 G from all directions.

S811+ Soft Starters Description Stock Level
S811+N37N3S The S811+N37N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+N37P3S The S811+N37P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+N66N3S The S811+N66N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+N66P3S The S811+N66P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+R10N3S The S811+R10N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+R10P3S The S811+R10P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+R13N3S The S811+R13N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+R13P3S The S811+R13P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T18N3S The S811+T18N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T18P3S The S811+T18P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T18V3S The S811+T18V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T24N3S The S811+T24N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T24P3S The S811+T24P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T24V3S The S811+T24V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T30 V3S The S811+T30 V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T30N3S The S811+T30N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+T30P3S The S811+T30P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U36N3S The S811+U36N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U36P3S The S811+U36P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U42N3S The S811+U42N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U42P3S The S811+U42P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U50N3S The S811+U50N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+U50P3S The S811+U50P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V10N3S The S811+V10N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V10P3S The S811+V10P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V36N3S The S811+V36N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V36P3S The S811+V36P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V36V3S The S811+V36V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V42N3S The S811+V42N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V42P3S The S811+V42P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V42V3S The S811+V42V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V50 V3S The S811+V50 V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V50N3S The S811+V50N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V50P3S The S811+V50P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V65N3S The S811+V65N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V65P3S The S811+V65P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V65V3S The S811+V65V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V72N3S The S811+V72N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V72P3S The S811+V72P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V72V3S The S811+V72V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V85N3S The S811+V85N3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V85P3S The S811+V85P3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+V85V3S The S811+V85V3S Soft Starter has a 660V Insulating voltage Ui and a 47-63 Hz Operating Frequency.
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S811+ Soft Starters Description Stock Level