User Manual, Power contactors, series CT1115/08 and CT1130/08
Rev. 2.2
Page 20/26
Spare parts, replacement
of parts
The contactors are maintenance-free. There is therefore no general provi-
sion for replacing components during its service life.
However, in case of permanent heavy load switchings, of failures, of short-
circuit switchings or in similar cases spare parts are offered by Schaltbau.
Main contacts and ceramic protection insert
If the main contacts have to be replaced all 4 contacts must be replaced (the
moving bridge and the 2 fixed terminals).
Disconnect the main cables/current bars
Remove the Upper Module
Remove the protection caps
Dismount the contactor.
Remove the moving bridge
Remove the nut at the bottom of the contactor with a number 10 socket
wrench and put the nut and the washer aside. The nut is secured with
red locking varnish which will be destroyed during that operation. The
moving bridge can be pulled out of the guidance.
Contact carrier,
for
CT1115/08 H
and
CT1130/08 H
Contact carrier,
for
CT1115/08 V
and
CT1130/08 V
Insert the replacement bridge
Mount the new bridge from the top and secure it with washer and nut
(Torque = 6 Nm). Secure the nut again with red locking varnish.
Test the replacement bridge
Lift the bridge. The bridge must be movable up and down easily.
Only original spare parts are to be used as a replacement
MC CT1015/08
CT1015/08, terminal with fixed contact (order 2 per pole)
MC CT1030/08
CT1030/08, terminal with fixed contact (order 2 per pole)
CB CT1000/08 H; CB CT1000/08 V
CT1015/08 / CT1030/08, moving contact-bridge (order 1 per
pole)
PI CT1000/08
CT1015/08 / CT1030/08, protection insert (order 2 per pole)
