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2021-02-10 / V1.0
Maintenance
Contactors C195 Series – Installation and Maintenance Instructions
8.3.4 Replacing the magnetic drive –
type C195 X/
Spare parts required
Magnetic drive with preset coil voltage depending
on the type of contactor. See chapter
„9. Spare parts“.
Tools required
-
Set of Torx bits or Torx screwdriver set
-
Continuity tester
-
Torque spanner
Disassembly
DANGER
Before beginning any work on the con-
tactors, make sure that
X
there is no voltage present,
X
all safety regulations are fully ob-
served.
X
Be sure to observe section
“8.1 Safety” on page 32
.
X
Remove all connecting cables or busbars from the
main contacts, auxiliary switches and coil connec-
tions.
ATTENTION
Incorrect installation of the contact unit due to two
possible installation positions leads to malfunctions
and destruction of the contactor.
X
Before disassembling, note the orientation of
the old contact unit in relation to the base plate.
X
Disassemble the contact unit, see section
“Disas-
sembling/assembling the contact unit – type C195
X/” on page 36.
Assembly
ATTENTION
Incorrect installation of the contact unit due to two
possible installation positions leads to malfunctions
and destruction of the contactor.
X
Before installing the contact unit on the mag-
netic drive, observe the previously noted cor-
rect orientation in relation to the base plate.
X
Carefully screw the contact unit onto the new
magnetic drive and tighten with a torque of
0.8-1 Nm. See section
“Disassembling/assembling
the contact unit – type C195 X/“ on page 36.
X
Reconnect all connecting cables or busbars (main
contacts, auxiliary switches and coil connections),
see
“7.2 Electrical connection” on page 21.
X
Finally, subject the contactor to a complete check
as described in section
“7.4 Checks” on page 31
.
8.3.5 Replacing the arcing chambers –
type C195 X/
Spare parts required
-
Arcing chambers complete (arcing chambers with
arcing plates), see chapter
“9. Spare parts”
Tools required
-
Set of Torx bits or Torx screwdriver set
-
Continuity tester
-
Torque spanner
Disassembly
DANGER
Before beginning any work on the con-
tactors, make sure that
X
there is no voltage present,
X
all safety regulations are fully ob-
served.
X
Be sure to observe section
“8.1 Safety” on page 32
.
X
Remove all connecting cables or busbars from the
main contacts, auxiliary switches and coil connec-
tions.
X
Disassemble the pole packs, see section
“Disas-
sembling/assembling the pole packs – Typ C195
X/” on page 35.
X
Remove the pole plates, see section
“Removing/
inserting the pole plates – type C195 X/” on page
36.
X
Disassemble the contact unit, see section
“Disas-
sembling/assembling the contact unit – type C195
X/” on page 36.
X
Remove the cover, see section
“Removing/attach-
ing the cover – type C195 X/” on page 38.
X
Disassemble the connecting plate, see section
“Disassembling/assembling the connecting plate
– type C195 X/” on page 38.
