User Manuals: Siemens SIRIUS 3RU2 Overload Relay

User Manuals: Siemens SIRIUS 3RU2 Overload Relay

Manuals and User Guides for Siemens SIRIUS 3RU2 Overload Relay. We have 1 Siemens SIRIUS 3RU2 Overload Relay manual available for free PDF download: Manual

Siemens SIRIUS 3RU2 Manual

Siemens SIRIUS 3RU2 Manual (176 pages)

Industrial Controls

Brand: Siemens | Category: Protection Device | Size: 5.35 MB

Table of Contents

Table of Contents
5
1 Introduction

9
2 Standards

17
3 Product Description

19
- Introduction
  19
- Versions
  21
- Applications
  22
- 3RU21 Thermal Overload Relays
  24
- 3RB30 Solid-State Overload Relays
  27
- 3RB31 Solid-State Overload Relays
  30
4 Product Combinations

35
5 Functions

37
6 Configuration

49
7 Mounting

59
8 Connection

65
9 Operation

75
10 Accessories

83
- Terminal Support for Stand-Alone Assembly
  84
- Description
  84
- Mounting/Disassembly
  84
- Mechanical Remote RESET
  90
- Release Slide
  90
- Description
  90
- Mounting/Disassembly
  91
- Cable Release
  92
- Description
  92
- Mounting/Disassembly
  93
- Module for Electrical Remote RESET (3RU21 Only)
  95
- Description
  95
- Connecting the Remote RESET
  95
- Mounting/Disassembly
  96
- Sealable Cover
  97
- Description
  97
- Mounting
  98
- Covers for Ring Cable Lug Connections
  99
- Description
  99
11 Technical Data

101
- Product Data Sheet
  101
- Performance Features
  104
- General Data
  104
- Protection Functions - Overview
  105
- Equipment
  106
- Configuration of Load Feeders
  106
- Features of Overload Relays
  107
- 3RU21 Thermal Overload Relays
  108
- 3RU2116/3RU2126 Thermal Overload Relays
  108
- General Technical Data
  108
- Main Circuit
  110
- Main Circuit Terminals
  111
- Auxiliary Circuit
  113
- Auxiliary Circuit Connections
  114
- 3RU2136 Thermal Overload Relay
  116
- General Technical Data
  116
- Main Circuit
  118
- Main Circuit Terminals
  118
- Auxiliary Circuit
  119
- Auxiliary Circuit Connections
  120
- Protection Function
  120
- Safety
  120
- Mounting/Fixing/Dimensions
  121
- UL/CSA Rated Data
  121
- Rated Operating Current, Short-Circuit Protection, Tripping Class, and Active Power Loss
  122
- 3RB30/3RB31 Solid-State Overload Relays
  123
- 3RB301/3RB302/3RB311/3RB312 Solid-State Overload Relays
  123
- General Technical Data
  123
- Main Circuit
  126
- Conductor Cross-Sections Main Circuit
  127
- Auxiliary Circuit
  128
- Conductor Cross Sections, Auxiliary Circuit
  130
- 3RB303/3RB313 Solid-State Overload Relays
  131
- General Technical Data
  131
- Main Circuit
  133
- Main Circuit Terminals
  134
- Auxiliary Circuit
  135
- Auxiliary Circuit Connections
  136
- Protection Function
  137
- Mounting/Fixing/Dimensions
  138
- UL/CSA Rated Data
  139
- Rated Operating Current and Active Power Loss
  140
12 Circuit Diagrams

141
- Types of Coordination
  145
- References
  147
  - SIRIUS Innovations Manuals
    148
  - More Information
    150
- Dimension Drawings (Dimensions in MM)
  151
- Correction Sheet
  171
  - Index
    173

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