1 System-based power distribution 4
2 SIVACON S8 – System overview 8
2.1 System configuration and cubicle design 10
2.2 Corner cubicle 15
2.3 Main busbar, horizontal 16
2.4 Connection points for earthing and
short-circuit devices 17
2.5 Overview of mounting designs 18
3 Circuit-breaker design 22
3.1 Cubicles with one ACB (3WL) 24
3.2 Cubicles with up to three ACB (3WL) 29
3.3 Cubicles with one MCCB (3VL) 30
3.4 Cubicles for direct supply and direct
feeder 31
4 Universal mounting design 34
4.1 Fixed-mounted design with
compartment door 37
4.2 In-line switch-disconnectors with fuses
(3NJ62 / SASIL plus) 38
4.3 Withdrawable design 38
5 In-line design, plug-in 50
5.1 In-line switch-disconnectors 3NJ62
with fuses 51
5.2 In-line switch-disconnectors SASIL plus
with fuses 53
6 Cubicles in fixed-mounted design 56
6.1 In-line design, fixed-mounted 56
6.2 Fixed-mounted design with front cover 59
6.3 Cubicle for customized solutions 63
7 Reactive power compensation 66
7.1 Configuration and calculation 68
7.2 Separately installed compensation cubicles 70
8 Further planning notes 72
8.1 Installation 72
8.2 Weights and power loss 76
8.3 Environmental conditions 77
9 Conforming to standards and
design-verified 80
9.1 The product standard
IEC 61439-2 80
9.2 Arc resistance 81
9.3 Seismic safety and seismic requirements 83
9.4 Declarations of conformity and certificates 85
10 Technical annex 92
10.1 Power supply systems according to their
type of connection to earth 92
10.2 Loads and dimensioning 95
10.3 Degrees of protection according to
IEC 60529 97
10.4 Forms of internal separation based on
IEC 61439-2 98
10.5 Operating currents of three-phase
asynchronous motors 99
10.6 Three-phase distribution transformers 100
11 Glossary and rated parameters 102
11.1 Terms and definitions 102
11.2 Rated parameters 104
11.3 Index of tables 106
11.4 Index of figures 108
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