ABB Stykače a nadproudová relé

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Vydal: ABB s.r.o, ELSYNN Autor: ABB ELSYnn

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\ V + + Load Indirect earthed system (Isolated system) Direct earthed system Centre earthed system Alternative connection The load placed between the three contacts indirect earhted system fully isolated system. 10 switching contactors 1SFC101004B0201 Load . The SCPD (Short Circuit Protection Device) must comply with applicable protection rules. • The direction the current must shown the contactor front label. This connection recommended systems according to the configurations below. + - o c . Load + o V \ \ o o + Indirect earthed system (Isolated system) Points consider • The above relates power circuit switching.Connections Recommended connection All three contacts connected series without the load between. not connected ac­ cording the configuration below, fault earth could result one two contacts breaking the full load which the contactor is not approved for. For further information regarding connections see Technical paper. • Connection bars for connecting three contacts series are not delivered with the contactor standard, but are available accessories