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The UA controller is used to create a source changeover system integrating the following automatic functions:
1- Transfer from one source to another depending on the presence of voltage UN on the “Normal” source
2- Startup of an engine generator set
3-shedding and reconnection of non-priority circuits
4-transfer to the “Replacement” source if one of the phases on the “Normal” source fails.
The UA controller can control Compact NS, Compact NSX and Masterpact NT/NW devices.
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