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