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Application filed by Stenberg Flygt AbfiledCriticalStenberg Flygt Ab
Publication of BE696649ApublicationCriticalpatent/BE696649A/xx
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
H02H11/004—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect phase sequence; with switching for obtaining correct phase sequence