
3
2019-05-24 / V1.0
Contactors C137/C163/C164/C165 – Installation and Maintenance Instructions
7. Installation ......................................................................................................................18
7.1 Mechanical installation .....................................................................................................18
Dimensions and further technical specifications ....................................................18
Preliminaries .........................................................................................................................18
Correct mounting positions ............................................................................................18
Required minimum clearance .......................................................................................19
Ventilation requirements .................................................................................................19
Safety .......................................................................................................................................19
Required tools and auxiliaries ........................................................................................19
Install the contactor ...........................................................................................................19
DIN rail mounting................................................................................................................20
7.2 Electrical installation ..........................................................................................................21
Electrical data and further technical specifications ................................................21
Preliminaries .........................................................................................................................21
Safety .......................................................................................................................................22
Required tools and auxiliaries ........................................................................................22
Connect the auxiliary contact ........................................................................................22
Connect the coil terminals ...............................................................................................23
Connect the main contacts .............................................................................................24
Connect the normally closed contacts
(changeover (SPDT) contactors only) ..........................................................................25
Tie bars for contactors in series connection ..............................................................26
7.3 Checks .....................................................................................................................................27
8. Maintenance ...................................................................................................................28
8.1 Safety .......................................................................................................................................28
8.2 Preventive maintenance ...................................................................................................28
Intervals for regular checks..............................................................................................28
Regular check activities ....................................................................................................29
Check the main contacts ..................................................................................................30
8.3 Corrective maintenance ...................................................................................................33
Replace the auxiliary contact ..........................................................................................33
Checks .....................................................................................................................................33
9. Spare parts ......................................................................................................................34
10. Technical data .................................................................................................................34
11. Disposal ...........................................................................................................................34