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The Eaton Cutler-Hammer S811+V72N3S motor starter is a soft motor starter which is manufactured to start and to stop motors with no sudden speed changes and with as little friction as possible. It is part of the Eaton S811+ series of motor starters. The starting modes that the S811+V72N3S soft motor starter supports include the ramp start, kick start, and current limit start modes, and the stopping modes that it supports include the pump and soft stop modes. This soft starter can withstand up to 3 g of operating and non-operating vibration from any direction. The S811+V72N3S soft motor starter can be panel mounted or enclosure mounted in any orientation.
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| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Soft Starter |
| Product Line | S811+ Soft Starters |
| Part Number | S811+V72N3S |
| UPC | 786685559162 |
| Weight | 112.00 lbs (50.80 kg) |
| Soft Starter Type | Non-combination |
| Frame Size | 290mm |
| Amps | 720 |
| Option | No |
| Poles | 3 |
| Volts AC | 240 max. |
| Volts DC | 120 max. |
| Insulating voltage Ui | 660V |
| Operating Frequency | 47-63 Hz |
| Bypass mechanical lifespan | 10M |
| Resistance to Shock | 15g |
The Eaton S811+V72N3S motor starter is a soft motor starter that employs 3 poles and that is often used in 3-phase applications. This motor starter comes with its own control interface. It is widely used in the control industry and its main objective is to provide smooth starts and speed variations to any variable speed motor. It has been manufactured and distributed by Eaton Cutler-Hammer. The Eaton Cutler-Hammer S811+V72N3S soft motor starter provides smooth speed and torque changes that do not cause any kind of damage to the motors. In fact, it provides smooth operations that help to extend the life of the motor and at the same time preserve it from the effects of machine wear.
One of the improvements that the Eaton Cutler-Hammer S811+V72N3S soft motor starter has in relation to older motor starters is its smaller than normal size that allows it to fit into any NEMA housing that needs to be applied or installed, and it comes with built-in overload protection and a pump control option. The Eaton Cutler-Hammer S811+V72N3S soft motor starter comes in an IP 20 housing that provides protection against solid particles. This enclosure does not provide protection against corrosive materials or liquids. The starter should not come into contact with liquids. The Eaton Cutler-Hammer S811+V72N3S soft motor starter can operate easily and without any problems at an altitude of up to 2000 meters and at a temperature range between -30 and 70 degrees Celsius. It is important to maintain the ambient humidity between 5 and 95%, non-condensing.
The Eaton S811+V72N3S Non-combination Soft Starter has a 290mm Frame Size, and it operates with 720 Amps, 240 max. Volts AC, 120 max. Volts DC, and 3 Poles.