Siemens SENTRON 3KF LV HRC, Manual

Page: 5 / 158

3KF switch disconnectors with fuses
Manual, 09/2019, L1V30580914002A-01
3
Table of contents
1
Introduction ................................................................................................................................................ 7
2 General information ................................................................................................................................... 9
2.1
General information .................................................................................................................. 9
3 Product description .................................................................................................................................. 11
3.1
Function, performance features, application areas ................................................................ 11
4 Product line, product group ...................................................................................................................... 13
4.1
3KF switch disconnectors with fuses ...................................................................................... 13
4.1.1 Sizes ....................................................................................................................................... 14
4.1.2 Installation type ....................................................................................................................... 16
4.1.3 Connection .............................................................................................................................. 16
4.1.4 Operating mechanism / handle ............................................................................................... 18
4.2 Accessories ............................................................................................................................. 20
4.2.1 Additional poles ....................................................................................................................... 20
4.2.2 Direct operating mechanism (3KF LV HRC only) ................................................................... 21
4.2.3 8UD door-coupling rotary operating mechanism .................................................................... 21
4.2.4 Auxiliary switches .................................................................................................................... 22
4.2.5 Phase barriers ......................................................................................................................... 24
4.2.6 Cable connection covers (3KF LV HRC only) ........................................................................ 25
4.3 Exploded views ....................................................................................................................... 26
4.3.1 Size 1 – 3KF LV HRC ............................................................................................................. 26
4.3.2 Size 1 – 3KF SITOR ................................................................................................................ 27
4.3.3 Sizes 2 to 5 – 3KF LV HRC .................................................................................................... 28
4.3.4 Sizes 2 to 5 – 3KF SITOR ....................................................................................................... 29
4.4 Article number structure .......................................................................................................... 30
5 Function and operation ............................................................................................................................ 31
6 Assembly and mounting .......................................................................................................................... 33
6.1
Assembly of parts in the scope of supply ............................................................................... 33
6.2 Mounting position .................................................................................................................... 34
6.3 Floor mounting ........................................................................................................................ 34
6.3.1 Size 1 ...................................................................................................................................... 34
6.3.1.1 Size 1 – SITOR with box terminals ......................................................................................... 34
6.3.1.2 Size 1 – LV HRC with box terminals ....................................................................................... 35
6.3.1.3 Sizes 1 and 2 with flat terminals at the rear ............................................................................ 36
6.3.1.4 Drilling template size 1 – SITOR ............................................................................................. 36
6.3.1.5 Drilling template size 1 – flat terminals at the rear .................................................................. 37
6.3.1.6 Drilling template size 2 – flat terminals at the rear .................................................................. 38
6.3.1.7 Drilling template size 1 – LV HRC ........................................................................................... 39