The Liebert Hiswitch2 family of static switches has been expanded with a new four-pole unit.

Made by Emerson Network Power, the unit automatically switches the load to the secondary source when a critical event affects the primary source.

It can also solve problems due to load current in the grounding connection by cutting off and switching the neutral wire and switching the load between the two sources.

Source

Electrical and Mechanical Contractor

Postscript

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