Schaltbau CP Series User Manual

34
2021-04-12 / V1.1
Maintenance
Contactors CP Series – Installation and Maintenance Instructions
X Screw the spring sleeve (1) by hand onto the
thread of the switch rod (5) until it is ush with the
switch rod. Tightening torque: 3 Nm.
5
3
Nm
1
5
3
Nm
1
NO
NC
Fig. 34: NO/NC contactors – spring sleeve (1) and switch rod
(5) must be ush
9.3.4 Replacing the xed contacts
The xed contacts only needs to be replaced for devic-
es with arc chamber, but not for devices with load-free
breaking capacity. The cover of devices with load-free
breaking capacity must not be removed.
Safety
DANGER
Before beginning any work on the contac-
tors, make sure that
X there is no voltage present,
X all safety regulations are fully ob-
served.
X Refer also to section „Dangers and
security measures“ on page 6.
Spare parts required
- Set of main contacts, see chapter „10. Spare parts“.
Tools required
- Hexagon socket wrench set
- Set of torx bits
- Socket wrench set
- Open-end wrench set
- Torque wrench
Preliminaries
- The connecting cables or busbars of the main con-
tacts are disconnected, see “8.4.6 Connecting the
main contacts”.
- For contactors with arc chambers: The arc chamber
unit is removed, see “9.3.1 Replacing the complete
arc chamber unit”.
Removing the xed contacts
NO/NC contactors with arc chambers:
X Unscrew and remove the two screws (1) on both
sides.
X Remove the xed contacts (2).
X For 600 A devices, additionally remove the bracket
(3).
1
2
2
1
Fig. 35: 1,200 A and 2,000 A NO/NC contactors with arc cham-
bers – remove the xed contacts
1
2
2
1
3
3
Fig. 36: 600 A NO/NC contactors with arc chambers – remove
the xed contacts

Schaltbau CP Series Specifications

General

Brand	Schaltbau
Model	CP Series
Category	Network Hardware
Language	English