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Siemens SIRIUS 3RA User Manual
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Industrial Controls
Load feeders
SIRIUS 3RA Load Feeders
Equipment Manual
02/2022
A5E03656507520A/RS-AC/004
Introduction
1
Standards
2
Product description
3
Product combinations
4
F
unctions
5
Conguration
6
Mounting
7
Connection
8
Operation
9
Accessor
ies
10
T
echnical data
11
Circuit diagrams
12
T
ypes of coordination
A
References
B
Dimension drawings
(dimensions in mm)
C
2
Table of Contents
Table of Contents
3
Introduction
7
Responsibility of the User for System Configuration and Functionality
7
Purpose of the Manual
7
Required Basic Knowledge
8
Scope of the Manual
8
Siemens Industry Online Support
8
Further Documentation
9
Siemens Industry Online Support App
10
Recycling and Disposal
10
Support Request
10
Security Information
10
Standards
13
Requirements for Switching High-Efficiency Motors
13
Voltages
14
Product Description
15
Overview
15
Device Versions
15
Pre-Assembled Complete Devices
17
Self-Assembled Load Feeders
19
Applications
21
Application Environment
21
Product Combinations
23
Functions
25
Configuration
27
SIRIUS System Configurator
27
Use of 3RA2 Load Feeders with Highly Energy-Efficient Motors (IE3)
28
General Information on the Startup Characteristics of Highly Energy-Efficient Motors (IE3)
28
Short-Circuit Detection
28
Making and Breaking Capacity of Motor Starter Protectors
28
Rated Motor Current/Setting Scale
29
Optimization of 3RV2 Motor Starter Protectors for IE3 Motors
29
Technical Modifications/Restrictions of 3RV2 Motor Starter Protectors
30
Mounting
33
Installation Guidelines
33
Minimum Clearances to Grounded, Live and Insulated Parts (400 V/500 V/690 V AC)
33
Mounting Variants under Different Conditions and Frequency of Use
35
3RV2917 Infeed System
41
Installation Guidelines
41
Derating
42
Mounting and Disassembling Load Feeders
42
Overview
42
Load Feeder with Screw-Type Connection System
44
Load Feeder with Spring-Loaded Connection System
47
Load Feeder with Hybrid Connection
57
Assembly and Disassembly with Different Mounting Systems
61
On DIN Rails Without DIN Rail Adapter
62
On DIN Rail with DIN Rail Adapter
64
Mounting Direct-On-Line Starters and Reversing Starters on DIN Rail Adapters (Sizes S00 and S0)
70
Mounting Direct-On-Line Starters and Reversing Starters on DIN Rail Adapters (Size S2)
73
Mounting Direct-On-Line Starters and Reversing Starters on DIN Rail Adapters (Size S3)
80
On Busbar System
88
Mounting on Base Plate
110
Mounting on Base Plate Without DIN Rail Adapter
110
Mounting on Base Plate with DIN Rail Adapter
112
Connection
119
Operation
121
Accessories
123
Overview
123
Accessories for Constructing Contactor Assemblies for Reversing and Star-Delta (Wye-Delta) Start
124
Link Modules
124
Accessories for DIN Rail Mounting
127
Accessories for Busbar Mounting
129
Technical Data
131
Technical Data in Siemens Industry Online Support
131
Overview Tables
131
Circuit Diagrams
133
Cax Data
133
Types of Coordination
135
References
137
Manuals - SIRIUS Modular System
138
Dimension Drawings (Dimensions in MM)
139
Cax Data
139
4
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Siemens SIRIUS 3RA Specifications
General
Brand
Siemens
Model
SIRIUS 3RA
Category
Industrial Equipment
Language
English
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