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2021-11-03 / V1.0
Contactors CF Series – Installation and Maintenance Instructions
8. Installation ............................................................................................................................................20
8.1 Mounting ...................................................................................................................................................... 20
8.1.1 Dimensions/interfaces and further technical specications .....................................................20
8.1.2 Preparatory measures ..............................................................................................................................20
8.1.3 Mounting holes ..........................................................................................................................................20
8.1.4 Mounting positions ..................................................................................................................................21
8.1.5 Required minimum clearances .............................................................................................................21
8.1.6 Ventilation requirements ........................................................................................................................21
8.1.7 Safety .............................................................................................................................................................21
8.1.8 Tools required .............................................................................................................................................22
8.1.9 Installing the contactor ...........................................................................................................................22
8.2 Electrical connection ................................................................................................................................23
8.2.1 Electrical data and other technical specications .........................................................................23
8.2.2 Preparatory measures ..............................................................................................................................23
8.2.3 Safety .............................................................................................................................................................24
8.2.4 Tools required .............................................................................................................................................24
8.2.5 Connecting the auxiliary switches ......................................................................................................25
8.2.6 Connecting the coil ...................................................................................................................................26
8.2.7 Connecting the earth terminal .............................................................................................................27
8.2.8 Connecting the main contacts .............................................................................................................27
8.3 Checks ............................................................................................................................................................32
9. Maintenance .........................................................................................................................................33
9.1 Safety .............................................................................................................................................................33
9.2 Preventive maintenance .........................................................................................................................33
9.2.1 Intervals for regular tests/checks .........................................................................................................33
9.2.2 Regular tests/checks ................................................................................................................................. 34
9.2.3 Removing the arcing chamber inserts ............................................................................................... 36
9.2.4 Inserting the arcing chamber inserts .................................................................................................36
9.2.5 Checking the arcing chamber inserts ................................................................................................37
9.2.6 Checking the main contacts .................................................................................................................. 37
9.3 Corrective maintenance .......................................................................................................................... 38
9.3.1 Replacing the arcing chamber inserts ...............................................................................................38
9.3.2 Replacing the switching elements ......................................................................................................38
9.3.3 Replacing the auxiliary switches ..........................................................................................................40
10. Spare parts ............................................................................................................................................41
11. Technical data ....................................................................................................................................... 42
12. Disposal .................................................................................................................................................42