Siemens SENTRON 3KF LV HRC, Manual

Page: 6 / 158

Table of contents
3KF switch disconnectors with fuses
4
Manual, 09/2019, L1V30580914002A-01
6.3.2 Sizes 2 to 4 ............................................................................................................................ 40
6.3.2.1 Drilling template for sizes 2 to 5 LV HRC .............................................................................. 41
6.3.2.2 Drilling template for sizes 2 to 5 SITOR ................................................................................. 42
6.3.3 Size 5 ..................................................................................................................................... 43
6.4 Standard rail mounting size 1 ................................................................................................ 44
6.4.1 Installation – front operating mechanism and lateral operating mechanism on the right ....... 44
6.4.2 Deinstallation – front operating mechanism and lateral operating mechanism on the
right ........................................................................................................................................ 44
6.4.3 Installation – lateral operating mechanism on the left ............................................................ 45
6.4.4 Deinstallation – lateral operating mechanism on the left ....................................................... 45
7 Connection and wiring ............................................................................................................................. 47
7.1
Main circuit connection .......................................................................................................... 47
7.1.1 Approved circuit diagrams ..................................................................................................... 47
7.1.2 Box terminals ......................................................................................................................... 49
7.1.3 Flat terminals .......................................................................................................................... 51
7.1.4 Connection accessories ......................................................................................................... 52
7.1.4.1 Phase barriers ........................................................................................................................ 52
7.1.4.2 Cable connection covers (3KF LV HRC only) ........................................................................ 56
7.2 Auxiliary circuit connection ..................................................................................................... 57
7.2.1 Auxiliary switches ................................................................................................................... 57
7.2.2 Auxiliary switches for size 1 ................................................................................................... 57
7.2.3 Auxiliary switch for sizes 2 to 5 .............................................................................................. 58
7.3 Contact numbers .................................................................................................................... 58
7.3.1 Main circuit ............................................................................................................................. 59
7.3.2 Auxiliary switches ................................................................................................................... 59
8 Further accessories ................................................................................................................................. 63
8.1
Auxiliary switches ................................................................................................................... 63
8.1.1 Mounting auxiliary switches ................................................................................................... 66
8.1.1.1 Size 1 ..................................................................................................................................... 66
8.1.1.2 Sizes 2 to 5 ............................................................................................................................ 67
8.1.2 Availability of the test function ................................................................................................ 69
8.2 Additional poles ...................................................................................................................... 69
8.2.1 Versions of available poles .................................................................................................... 69
8.2.2 Possible mounting positions for additional poles and auxiliary switch modules .................... 71
8.2.2.1 Size 1 ..................................................................................................................................... 71
8.2.2.2 Sizes 3, 4 and 5 ..................................................................................................................... 74
8.2.3 Mounting additional poles ...................................................................................................... 76
8.2.4 Removing the jumper at N terminal ....................................................................................... 80
8.2.4.1 Removing the jumper ............................................................................................................. 80
8.2.4.2 Reattaching the jumper .......................................................................................................... 81
8.3 Direct operating mechanism .................................................................................................. 82
8.3.1 Versions ................................................................................................................................. 82
8.3.2 Interlocking ............................................................................................................................. 83