S811 Soft Starters

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The S811 Soft Starters are solid-state automation control devices. They are manufactured by Eaton Cutler-Hammer. They are compact in size and they can easily fit across-the-line NEMA and IEC starters. They provide a smooth start to 3-phase induction motors. They are mainly used with chillers, pumps, and machine tools that require 85% of the motor’s rated starting torque. The S811 Soft Starters come with a ton of features and they are available in different specifications. The starters feature edge-level sensing control, built-in communication using the Eaton Quick Connect port, advanced diagnostics capabilities (fault queue, control status, and breaker status), and an impressive array of system monitoring and protective features. The edge-sensing feature allows for a motor restart when a fault condition is cleared, the permissive terminal is supplied with 24 Volts DC, and the reset mode parameter is set to “AUTO” or “MANUAL.” 


The S811 Soft Starters are available in different starting modes, including the voltage ramp start and the current limit start. The S811 Soft Starters uses a silicon-controlled rectifier for controlling the starting process. The S811 Soft Starters features the unique soft stopping pump control option which provides a smooth transition for stopping a motor. This stopping mode is also used as a safety feature. The front part of the starters come with easily readable digital interface modules. They allow the operators to feed information into the devices, configure the devices, and troubleshoot them when necessary.  The interfaces are also used to monitor parameters and system values. The S811 Soft Starters feature reduced inrush currents which lead to more stable power grids. The starters are available in different configurations to suit different user requirements. They are available in different frame sizes with different current ratings.

S811 Soft Starters Description Stock Level
S811N37N3L The Eaton S811N37N3L Open Soft Starter has a 37 Max. Current Capacity and a 10 230V Hp Rating.
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S811N37N3S The Eaton S811N37N3S Open Soft Starter has a 37 Max. Current Capacity and a 10 230V Hp Rating.
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S811N37P3S The Eaton S811N37P3S Open Soft Starter has a 37 Max. Current Capacity and a 10 230V Hp Rating.
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S811N66N3L The Eaton S811N66N3L Open Soft Starter has a 66 Max. Current Capacity and a 20 230V Hp Rating.
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S811N66N3S The Eaton S811N66N3S Open Soft Starter has a 66 Max. Current Capacity and a 20 230V Hp Rating.
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S811N66P3S The Eaton S811N66P3S Open Soft Starter has a 66 Max. Current Capacity and a 20 230V Hp Rating.
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S811R10N3L The Eaton S811R10N3L Open Soft Starter has a 105 Max. Current Capacity and a 40 230V Hp Rating.
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S811R10N3S The Eaton S811R10N3S Open Soft Starter has a 105 Max. Current Capacity and a 40 230V Hp Rating.
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S811R10P3S The Eaton S811R10P3S Open Soft Starter has a 105 Max. Current Capacity and a 40 230V Hp Rating.
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S811R13N3L The Eaton S811R13N3L Open Soft Starter has a 135 Max. Current Capacity and a 50 230V Hp Rating.
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S811R13N3S The Eaton S811R13N3S Open Soft Starter has a 135 Max. Current Capacity and a 50 230V Hp Rating.
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S811R13P3S The Eaton S811R13P3S Open Soft Starter has a 135 Max. Current Capacity and a 50 230V Hp Rating.
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S811T18N3L The Eaton S811T18N3L Open Soft Starter has a 180 Max. Current Capacity and a 60 230V Hp Rating.
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S811T18N3S The Eaton S811T18N3S Open Soft Starter has a 180 Max. Current Capacity and a 60 230V Hp Rating.
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S811T18P3S The Eaton S811T18P3S Open Soft Starter has a 180 Max. Current Capacity and a 60 230V Hp Rating.
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S811T18V3L The Eaton S811T18V3L Open Soft Starter has a 180 Max. Current Capacity and a 60 230V Hp Rating.
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S811T24N3L The Eaton S811T24N3L Open Soft Starter has a 240 Max. Current Capacity and a 75 230V Hp Rating.
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S811T24N3S The Eaton S811T24N3S Open Soft Starter has a 240 Max. Current Capacity and a 75 230V Hp Rating.
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S811T24P3S The Eaton S811T24P3S Open Soft Starter has a 240 Max. Current Capacity and a 75 230V Hp Rating.
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S811T24V3L The Eaton S811T24V3L Open Soft Starter has a 240 Max. Current Capacity and a 75 230V Hp Rating.
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S811T30N3L The Eaton S811T30N3L Open Soft Starter has a 304 Max. Current Capacity and a 100 230V Hp Rating.
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S811T30N3S The Eaton S811T30N3S Open Soft Starter has a 304 Max. Current Capacity and a 100 230V Hp Rating.
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S811T30P3S The Eaton S811T30P3S Open Soft Starter has a 304 Max. Current Capacity and a 100 230V Hp Rating.
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S811T30V3L The Eaton S811T30V3L Open Soft Starter has a 304 Max. Current Capacity and a 100 230V Hp Rating.
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S811V10N3L The Eaton S811V10N3L Open Soft Starter has a 1000 Max. Current Capacity and a 400 230V Hp Rating.
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S811V10N3S The Eaton S811V10N3S Open Soft Starter has a 1000 Max. Current Capacity and a 400 230V Hp Rating.
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S811V10P3S The Eaton S811V10P3S Open Soft Starter has a 1000 Max. Current Capacity and a 400 230V Hp Rating.
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S811V36N3L The Eaton S811V36N3L Open Soft Starter has a 360 Max. Current Capacity and a 150 230V Hp Rating.
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S811V36N3S The Eaton S811V36N3S Open Soft Starter has a 360 Max. Current Capacity and a 150 230V Hp Rating.
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S811V36P3S The Eaton S811V36P3S Open Soft Starter has a 360 Max. Current Capacity and a 150 230V Hp Rating.
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S811V36V3L The Eaton S811V36V3L Open Soft Starter has a 360 Max. Current Capacity and a 150 230V Hp Rating.
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S811V42N3L The Eaton S811V42N3L Open Soft Starter has a 420 Max. Current Capacity and a 175 230V Hp Rating.
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S811V42N3S The Eaton S811V42N3S Open Soft Starter has a 420 Max. Current Capacity and a 175 230V Hp Rating.
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S811V42P3S The Eaton S811V42P3S Open Soft Starter has a 420 Max. Current Capacity and a 175 230V Hp Rating.
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S811V42V3L The Eaton S811V42V3L Open Soft Starter has a 420 Max. Current Capacity and a 175 230V Hp Rating.
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S811V50N3L The Eaton S811V50N3L Open Soft Starter has a 500 Max. Current Capacity and a 200 230V Hp Rating.
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S811V50N3S The Eaton S811V50N3S Open Soft Starter has a 500 Max. Current Capacity and a 200 230V Hp Rating.
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S811V50P3S The Eaton S811V50P3S Open Soft Starter has a 500 Max. Current Capacity and a 200 230V Hp Rating.
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S811V50V3L The Eaton S811V50V3L Open Soft Starter has a 500 Max. Current Capacity and a 200 230V Hp Rating.
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S811V65N3L The Eaton S811V65N3L Open Soft Starter has a 650 Max. Current Capacity and a 250 230V Hp Rating.
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S811V65N3S The Eaton S811V65N3S Open Soft Starter has a 650 Max. Current Capacity and a 250 230V Hp Rating.
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S811V65P3S The Eaton S811V65P3S Open Soft Starter has a 650 Max. Current Capacity and a 250 230V Hp Rating.
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S811V65V3L The Eaton S811V65V3L Open Soft Starter has a 650 Max. Current Capacity and a 250 230V Hp Rating.
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S811V72N3L The Eaton S811V72N3L Open Soft Starter has a 720 Max. Current Capacity and a 300 230V Hp Rating.
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S811V72N3S The Eaton S811V72N3S Open Soft Starter has a 720 Max. Current Capacity and a 300 230V Hp Rating.
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S811V72P3S The Eaton S811V72P3S Open Soft Starter has a 720 Max. Current Capacity and a 300 230V Hp Rating.
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S811V72V3L The Eaton S811V72V3L Open Soft Starter has a 720 Max. Current Capacity and a 300 230V Hp Rating.
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S811V85N3L The Eaton S811V85N3L Open Soft Starter has a 850 Max. Current Capacity and a 350 230V Hp Rating.
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S811V85N3S The Eaton S811V85N3S Open Soft Starter has a 850 Max. Current Capacity and a 350 230V Hp Rating.
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S811V85P3S The Eaton S811V85P3S Open Soft Starter has a 850 Max. Current Capacity and a 350 230V Hp Rating.
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S811V85V3L The Eaton S811V85V3L Open Soft Starter has a 850 Max. Current Capacity and a 350 230V Hp Rating.
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S811 Soft Starters Description Stock Level