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.
Load
+
o V
\ \
o o
+
Indirect earthed system
(Isolated system)
Points consider
• The above relates power circuit switching. The SCPD (Short Circuit Protection Device) must comply with applicable
protection rules.
+ -
o c
.
For further information regarding connections see Technical paper.
10 switching contactors 1SFC101004B0201
Load
.Connections
Recommended connection
All three contacts connected series without the load between.
• The direction the current must shown the contactor front label. \
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.
• Connection bars for connecting three contacts series are not delivered with the contactor standard, but are
available accessories. This connection recommended systems according to
the configurations below
