Siemens SIRIUS 3RA User Manual

7.1.1 Minimum clearances to grounded, live and insulated parts (400 V/500 V/690 V AC) ............ 33
7.1.2 Mounting variants under di󹪜erent conditions and frequency of use .................................... 35
7.1.3 3RV2917 infeed system ..................................................................................................... 41
7.1.3.1 Installation guidelines........................................................................................................ 41
7.1.3.2 Derating ............................................................................................................................ 42
7.2 Mounting and disassembling load feeders.......................................................................... 42
7.2.1 Overview........................................................................................................................... 42
7.2.2 Load feeder with screw-type connection system................................................................. 44
7.2.3 Load feeder with spring-loaded connection system............................................................. 47
7.2.4 Load feeder with hybrid connection ................................................................................... 57
7.3 Assembly and disassembly with di󹪜erent mounting systems............................................... 61
7.3.1 On DIN rails without DIN rail adapter.................................................................................. 62
7.3.2 On DIN rail with DIN rail adapter......................................................................................... 64
7.3.2.1 Mounting direct-on-line starters and reversing starters on DIN rail adapters (sizes S00 and
S0) .................................................................................................................................... 70
7.3.2.2 Mounting direct-on-line starters and reversing starters on DIN rail adapters (size S2)........... 73
7.3.2.3 Mounting direct-on-line starters and reversing starters on DIN rail adapters (size S3)........... 80
7.3.3 On busbar system .............................................................................................................. 88
7.3.4 Mounting on base plate ................................................................................................... 110
7.3.4.1 Mounting on base plate without DIN rail adapter.............................................................. 110
7.3.4.2 Mounting on base plate with DIN rail adapter ................................................................... 112
8 Connection......................................................................................................................................... 119
9 Operation........................................................................................................................................... 121
10 Accessories ........................................................................................................................................ 123
10.1 Overview......................................................................................................................... 123
10.2 Accessories for constructing contactor assemblies for reversing and star-delta (wye-delta)
start ................................................................................................................................ 124
10.3 Link modules ................................................................................................................... 124
10.4 Accessories for DIN rail mounting..................................................................................... 127
10.5 Accessories for busbar mounting...................................................................................... 129
11 Technical data.................................................................................................................................... 131
11.1 Technical data in Siemens Industry Online Support........................................................... 131
11.2 Overview tables .............................................................................................................. 131
12 Circuit diagrams................................................................................................................................. 133
12.1 CAx data.......................................................................................................................... 133
A Types of coordination ........................................................................................................................ 135
B References ......................................................................................................................................... 137
B.1 References....................................................................................................................... 137
B.2 Manuals - SIRIUS Modular System..................................................................................... 138
C Dimension drawings (dimensions in mm)......................................................................................... 139
C.1 CAx data.......................................................................................................................... 139
Table of contents
SIRIUS 3RA Load Feeders
4 Equipment Manual, 02/2022, A5E03656507520A/RS-AC/004

Siemens SIRIUS 3RA Specifications

General

Brand	Siemens
Model	SIRIUS 3RA
Category	Industrial Equipment
Language	English