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S811+ soft starter
The S811+ from Eaton's Moeller series is one of the world's smallest and most compact soft starters. The devices are available in five sizes, with rated currents from 37 A to 850 A and mains voltages from 200 V to 690 V. Thanks to the three-phase control system, the internal bypass and the extensive monitoring and protection features, the S811+ ensures smooth starts and safe continuous operation, even in applications with high load torques. A digital operating and display panel enables advanced functions for more sophisticated applications. The special pump-control algorithm with prolonged soft-stop ramp effectively prevents water hammer when stopping a pump. In addition, both in-line and delta configurations are possible. As the S811+ only has to handle about 58 % of the rated motor current, it is possible to use a much smaller device than would otherwise be the case.
Core features
- A compact, space-saving design that is also cost-effective
- By preventing abrupt starts and stops, the S811+ extends the mechanical life of your application and reduces the maintenance costs for V-belts and gears
- Lower inrush currents and peak demand charges
- Comprehensive monitoring features
- Overload protection
Versatile use for maximum functionality
DIM - digital interface module
Water hammer
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