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2021-04-12 / V1.1

Contactors CP Series – Installation and Maintenance Instructions

8.3 Installation of the optional pre-charging contactor (CPP) ....................................18

8.3.1 Installation of the CPP with 1,200A and 2,000A devices ....................... 18

8.3.2 Installation of the CPP with 600A devices ...................................................19

8.4 Electrical Installation ...........................................................................................................20

8.4.1 Preparatory measures .......................................................................................... 20

8.4.2 Safety .........................................................................................................................21

8.4.3 Tools required .........................................................................................................21

8.4.4 Connecting the auxiliary switches ..................................................................22

8.4.5 Connecting the coil terminals...........................................................................23

8.4.6 Connecting the main contacts .........................................................................24

8.4.7 Connecting the earth terminal ......................................................................... 25

8.4.8 Connecting the optional pre-charging contactor (CPP) .........................26

8.4.9 Connecting the optional high-voltage discharging contact (CPD) ....26

8.5 Checks ......................................................................................................................................27

9. Maintenance ...................................................................................................................28

9.1 Safety ........................................................................................................................................28

9.2 Preventive maintenance ....................................................................................................28

9.2.1 Intervals for regular checks ................................................................................ 28

9.2.2 Regular check activities .......................................................................................29

9.3 Corrective maintenance .....................................................................................................31

9.3.1 Replacing the complete arc chamber unit .................................................. 31

9.3.2 Checking the main contacts ..............................................................................32

9.3.3 Replacing the contact bridge ...........................................................................33

9.3.4 Replacing the xed contacts .............................................................................34

9.3.5 Replacing the auxiliary switch assembly ......................................................36

9.3.6 Replacing the optional pre-charging contactor (CPP) .............................37

9.3.7 Replacing the optional high-voltage discharging contact (CPD) ........38

9.4 Checks ......................................................................................................................................39

10. Spare parts ...................................................................................................................... 40

10.1 Pre-charging contactor (CPP) ..........................................................................................40

10.2 High-voltage discharging contact (CPD) .....................................................................40

10.3 Auxiliary switch assembly .................................................................................................40

10.4 Arc chamber complete ....................................................................................................... 40

10.5 Main contacts ........................................................................................................................40

10.6 Contact bridge assembly ...................................................................................................40

10.7 Magnetic drive complete (without main contacts) .................................................40

11. Technical Data ................................................................................................................41

12. Disposal ...........................................................................................................................41

Schaltbau CP Series User Manual

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