Inventors:
Michael P. Olsen - Minneapolis MN
Larry P. Grovum - Brooklyn Park MN
Assignee:
HLO, L.L.P. - Eden Prairie MN
International Classification:
H01H 4700
Abstract:
A semiconductor based relay is provided for selectively coupling differing periodic power sources to loads through semiconductor switches provided therein while selectively using the alternating polarity to constant polarity voltage converter outputs as switched in a separate circuit to also contribute to the operation of the relay circuitry in conjunction with selection signals.