Table of Contents
Advertisement
Quick Links
Industrial Controls
Protection devices
SIRIUS 3RV Motor Starter
Protectors
Equipment Manual
09/2024
A5E03656507320A/RS-AL/012
Introduction
Standards
Safety instructions
Product description
Product combinations
Functions
Configuration
Mounting
Connection
Operation
Accessories
Technical data
Circuit diagrams
Types of coordination
References
Dimension drawings
(dimensions in mm)
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
Advertisement
Table of Contents
Related Manuals for Siemens SIRIUS 3RV20
Summarization of Contents
Introduction
Responsibility of the user for system configuration and functionality
User's responsibility for system configuration, functionality, and adherence to safety.
Purpose of the manual
Outlines the manual's content for integrating, installing, connecting, and operating motor starter protectors.
Advantages through energy efficiency
Details contributions of SIRIUS motor starter protectors to energy efficiency in industrial applications.
Required basic knowledge
Specifies the general knowledge of automation engineering and low-voltage switchgear required.
Scope of the manual
Defines the manual's validity for specific motor starter protectors and device descriptions.
Siemens Industry Online Support
Information on accessing up-to-date product information and services via the online support portal.
Further documentation
Points to operating instructions and manuals for the SIRIUS modular system in the appendix.
Siemens Industry Online Support app
Access to device-specific information via a mobile app for Android and iOS.
Support Request
Instructions for submitting technical inquiries using the online support request form.
Standards
Requirements for switching high-efficiency motors
Covers increased requirements for high-efficiency motors and utilization category AC-3e.
Notes on the protection of device connections
Information on short-circuit and overcurrent protection for main and auxiliary circuits.
Safety instructions
General safety notes
Critical warning regarding hazardous voltage and essential lockout/tagout procedures.
Cybersecurity information
Guidelines for protecting industrial systems against cyber threats and maintaining security.
Intended use
Defines proper usage and highlights risks of death, injury, or property damage from improper use.
Current information about operational safety
Notes on staying updated with safety information and subscribing to newsletters for product updates.
Recycling and disposal
Guidance on environmentally friendly recycling and disposal according to country regulations.
Product description
Introduction
Overview of SIRIUS 3RV motor starter protectors, their applications, and system integration.
Versions
Details the different device versions (3RV1, 3RV2) and their available sizes and ratings.
Applications
Lists general and special applications for SIRIUS 3RV motor starter protectors in various scenarios.
Motor starter protectors
Describes equipment features of 3RV1 and 3RV2 motor starter protectors with detailed diagrams.
Performance features
Highlights technical advantages and customer benefits, such as energy savings and reliability.
Product combinations
Reference
Points to appendix for information on possible combinations of SIRIUS modular system products.
Functions
Overload and short-circuit protection
Explains overload and short-circuit protection mechanisms, including tripping classes and release types.
Tripping classes
Details tripping times dependent upon tripping classes according to standard IEC 60947-4-1.
Tripping characteristics
Describes time-current, current-limiting, and I2t characteristics and frequency dependence.
Phase loss sensitivity
Explains the function of phase loss sensitivity for preventing overcurrents during phase failures.
Protection of single-phase loads
Discusses the protection of single-phase or two-phase loads and required connection methods.
Test function
Describes how to check the operational functionality of the motor starter protector using the test slide/button.
Configuration
Performance features
Compares performance features of 3RV1 and 3RV2 motor starter protectors across different types and sizes.
TIA Selection Tool
Information on using the TIA Selection Tool for device selection, configuration, and ordering.
Short-circuit protection
Details short-circuit protection capabilities, including breaking capacity and fuse selection requirements.
Short-circuit breaking capacity
Lists rated ultimate and service short-circuit breaking capacities (Icu, Ics) for various models and voltages.
Short-circuit breaking capacity for motor starter protectors
Provides Icu and Ics values for 3RV2 motor starter protectors at different operating voltages.
Short-circuit breaking capacity for 3RV1.1 motor starter protectors in an enclosure
Presents Icu and Ics values for 3RV1.1 protectors in enclosures across various voltages.
Short-circuit breaking capacity for 3RV2.1 and 3RV2.2 motor starter protectors in an enclosure
Lists Icu and Ics values for 3RV2.1/3RV2.2 protectors in enclosures across various voltages.
Short-circuit breaking capacity for motor starter protectors in the IT system
Details IcuIT values for 3RV2 motor starter protectors used in IT systems, considering double ground faults.
Short-circuit breaking capacity for motor starter protectors with limiter function
Provides Icu and Ics values for motor starter protectors with limiter function at higher voltages.
Motor protection
Explains the tripping characteristic, phase loss sensitivity, and setting the rated current for motor protection.
System protection
Discusses the suitability of 3RV20/3RV21 for system protection and UL/CSA approvals.
Motor protection with overload relay function
Details the function of overload relay, its auxiliary contacts, and necessary precautions.
Using 3RV1011 and 3RV2 motor starter protectors with highly energy-efficient motors (IE3 / IE4)
Addresses startup characteristics of IE3/IE4 motors and potential issues with motor starter protectors.
General information on the startup characteristics of highly energy-efficient motors (IE3 / IE4)
Explains challenges like short-circuit detection and making/breaking capacity with IE3/IE4 motors.
Short-circuit detection
Discusses how high inrush currents from IE3/IE4 motors can trigger short-circuit detection, leading to early tripping.
Making and breaking capacity of motor starter protectors
Covers tests for making/breaking capacity and potential issues like contact welding with IE3/IE4 motors.
Rated motor current/setting scale
Explains setting the motor's rated current and potential issues with IE3/IE4 motors having lower rated currents.
Optimization of 3RV1011 and 3RV2 motor starter protectors for IE3 / IE4 motors
Details revisions to motor starter protectors to handle higher locked rotor and inrush currents.
Technical modifications/restrictions of 3RV2 motor starter protectors
Lists restrictions on maximum starting current and suitability of certain variants for IE3/IE4 motors.
Short-circuit protection for starter combinations
Explains the role of 3RV23 MSPs in starter combinations and selection recommendations for IE3/IE4 motors.
Transformer protection
Discusses protection against inrush currents for transformers and the higher short-circuit release settings.
Main switch
States that 3RV2 motor starter protectors satisfy main switch features according to IEC 60947-2.
Fuse monitoring
Describes the use of 3RV1611-0BD10 circuit breaker for fuse monitoring and associated safety warnings.
Voltage transformer circuit breaker
Explains features of voltage transformer circuit breakers, including auxiliary switches and impedance.
Use in IT systems
Details suitability for IT systems and handling double ground faults with reduced breaking capacity.
Devices for North America (UL/CSA)
Covers approvals and applications compliant with UL 60947-4-1 and CSA C22.2 No. 14.
Approval in compliance with UL 60947-4-1 (UL 508) / CSA C22.2 No. 14 (CSA-C22.2 No. 60947-4-1)
Specifies approved uses like "Manual Motor Controller" and "Self-Protected Combination Motor Controller".
"Manual motor controller", group installation
Details requirements and approvals for using 3RV as a "Manual Motor Controller" for group installations.
"Manual motor controller suitable for tap conductor protection in group installations"
Explains the application for tap conductor protection, noting CSA recognition and upstream protection.
"Self-Protected Combination Motor Controller (Type E)"
Covers approval requirements for Type E controllers, including clearances and terminal blocks.
Approval as "circuit breaker" according to UL 489/CSA C 22.2 No. 5
Details approvals for 3RV27 and 3RV28 as "Circuit Breaker" for upstream protection.
Application environment
Provides information on installation altitude, operating conditions, and ambient temperatures.
Introduction
General notes to consider when planning applications involving 3RV motor starter protectors.
Selecting the motor starter protectors
Guidance on selecting motor starter protectors, considering inrush currents and motor power values.
Project guidelines for use downstream of frequency converters/inverters with pulsed voltage
Guidelines for using thermal overload releases with frequency converters and pulsed voltage.
Effects of high-frequency currents on the thermal overload release (size S00 to S2)
Explains how high-frequency currents affect the thermal overload release and how to correct it.
Capacitive leakage currents
Discusses how capacitive leakage currents can cause undesirable tripping and alternative approaches.
Speed control of motors with characteristic-controlled frequency converters
Addresses issues with motor current increase at reduced speeds and potential remedies.
Mounting
Warning notice
Critical safety warning regarding hazardous voltage during mounting operations.
Standard mounting
Details minimum clearances, mounting positions, and installation options for various sizes.
Minimum clearances and mounting position
Provides installation guidelines and minimum clearances for different voltage ratings and sizes.
Mounting/Disassembly
Explains installation options like DIN rail mounting and screwing onto a baseplate.
Mounting in limiter circuit
Provides installation guidelines and minimum clearances for 3RV2 motor starter protectors with limiter function.
Connection
Warning notice
Critical safety warning regarding hazardous voltage during connection procedures.
Conductor cross-sections
Defines permissible conductor cross-sections for screw-type, spring-loaded, and ring cable lug connections.
Conductor cross-sections
States that conductor cross-sections are identical for devices of the same size in the SIRIUS modular system.
Conductor cross-sections for screw-type connection systems
Lists permissible conductor cross-sections for main and auxiliary connections for screw-type systems.
Conductor cross-sections for spring-loaded connection systems
Defines permissible conductor cross-sections for main and auxiliary connections using spring-loaded systems.
Conductor cross-sections for ring cable lug connection system
Specifies permissible conductor cross-sections for ring cable lug connections, particularly for size S3.
Operation
Setting the current
Step-by-step guide on setting the load's rated current using the scale and setting marks.
Testing the overload release
Procedures for testing the overload release of 3RV1 and 3RV2 motor starter protectors.
Testing the overload relay function (3RV21)
Describes the procedure for testing the overload relay function of the 3RV21.
Securing
Explains how to secure the motor starter protector against unauthorized closing using a padlock.
Reclosing after tripping
Details the process of reclosing after a fault has been remedied, including reset procedures.
Accessories
Accessories overview
Provides an overview of mountable accessories for different motor starter protector sizes.
Installation rules/Component rules
Outlines maximum expansion limits and possible combinations of auxiliary/signaling switches.
Auxiliary switch
Describes the function, versions, and mounting of transverse and lateral auxiliary switches.
Description
Explains how auxiliary switch contacts operate with the main contacts of the motor starter protector.
Mounting
Provides instructions for mounting auxiliary switches on the motor starter protector.
Disassembly
Details the procedure for disassembling transverse and lateral auxiliary switches.
Signaling switch
Describes the function, versions, and mounting of signaling switches, including compatibility notes.
Description
Explains the two contact systems of the signaling switch and their functions.
Mounting
Provides instructions for mounting signaling switches on motor starter protectors of different sizes.
Disassembly
Details the procedure for disassembling signaling switches.
3RV2 COM wireless auxiliary and signaling switches (3RV2921-5M) for 3RV2
Introduces wireless auxiliary and signaling switches and their role in SENTRON digitalization solutions.
Communication and measurable circuit protection devices
Explains how communication-enabled devices increase system availability and aid maintenance.
Description
Details the 3RV2 COM wireless switches, their parameters, and transmission capabilities.
Mounting
Instructions for mounting the 3RV2 COM wireless switches on different 3RV2 motor starter protector types.
Disassembly
Details the procedure for disassembling the 3RV2 COM wireless auxiliary and signaling switches.
Auxiliary release
Describes undervoltage and shunt releases, their mounting, and compatibility.
Description
Details the available versions of auxiliary releases and their specific notes.
Auxiliary release voltage ranges
Lists voltage ranges for undervoltage and shunt releases.
Mounting
Instructions for mounting shunt and undervoltage releases.
Disassembly
Details the procedure for disassembling shunt and undervoltage releases.
Disconnector module
Describes the disconnector module's function, mounting, and compatibility.
Description
Explains the disconnector module's purpose for visible isolating distance and compatibility notes.
Mounting
Provides instructions for mounting the disconnector module.
Isolation and shut-off
Details how to create and secure the isolating distance using the disconnector module.
Phase barriers / terminal block UL 60947-4-1 (UL 508) "Type E"
Covers phase barriers and terminal blocks for "Self-Protected Combination Motor Controller (Type E)" approvals.
Description
Explains the requirement for increased clearances and creepage distances for Type E approval.
Mounting terminal block UL 60947-4-1 (UL 508) "Type E"
Details the mounting procedure for terminal blocks compliant with UL 60947-4-1 "Type E".
Door-coupling rotary operating mechanism (not for 3RV1011 and 3RV1611)
Describes door-coupling rotary operating mechanisms for standard and harsh conditions.
Description
Explains the function and types of door-coupling rotary operating mechanisms.
Mounting
Provides instructions for disassembling knob attachments and mounting rotary operating mechanisms.
Mounting the door-coupling rotary operating mechanism for standard conditions
Details the mounting process for standard condition rotary operating mechanisms.
Mounting the door-coupling rotary operating mechanism for standard conditions with tolerance compensation
Explains how to use tolerance compensation for mounting standard condition rotary operating mechanisms.
Mounting the door-coupling rotary operating mechanism for harsh conditions
Details the mounting process for harsh condition rotary operating mechanisms.
Enclosures and mounting accessories
Covers plastic, molded-plastic, and aluminum enclosures, and their protection degrees.
Description
General information on enclosures, their types, protection degrees, and limitations.
Mounting
Provides instructions for mounting enclosures for 3RV1011 and 3RV2 motor starter protectors.
Sealable cover
Describes the sealable cover for securing the rotary button against unauthorized manipulation.
Description
Details the function of the 3RV2908-0P sealable cover.
Mounting
Instructions for mounting the sealable cover on the motor starter protector.
Insulated 3RV1915 (S00/S0) and 3RV1935 (S2) 3-phase busbar system
Describes the insulated 3-phase busbar systems for powering 3RV motor starter protectors.
Description
Explains the benefits and features of the 3-phase busbar systems.
Versions
Lists versions of 3-phase busbars for different sizes and motor starter protector types.
8US busbar adapter
Details the 8US 3-phase busbar adapter for attaching motor starter protectors to busbar systems.
Description
Explains the function and suitability of the 8US busbar adapter for copper busbars.
Versions
Lists busbar systems for 60 mm system, including article numbers, sizes, and rated currents.
Mounting
Provides prerequisites and instructions for adjusting and mounting the 8US busbar adapter.
Disassembly
Details the procedure for disassembling the busbar adapter from the busbar system.
3RV2917 infeed system
Describes the 3RV29 infeed system for feeding and distributing power to multiple motor starter protectors.
Description
Provides an overview of the 3RV29 infeed system, its components, and approvals.
Installation guidelines
Details installation guidelines, including clearances and connector usage.
Derating
Lists derating values for motor starter protectors and fuseless load feeders in the 3RV infeed system.
Mounting
Provides instructions for mounting the 3RV2917 infeed system and its components.
Link module for attaching a contactor
Explains the function and types of link modules for connecting motor starter protectors to contactors.
Description
Details the functions of link modules for establishing electrical and mechanical connections.
Terminal cover for cable lug connection and busbar connection
Describes the terminal cover for size S3 devices and its purpose for touch protection.
Description
Explains the terminal cover for cable lug and busbar connections.
Mounting
Instructions for mounting the terminal cover for cable lug and busbar connections.
Terminal covers for box terminal block
Describes terminal covers for box terminal blocks available for sizes S2 and S3.
Description
Details the terminal covers for box terminal blocks.
Mounting
Instructions for mounting the terminal cover for the box terminal block.
Terminal cover for circuit breaker and the terminal block UL 60947-4-1 (UL 508) "Type E"
Describes the terminal cover and block for Circuit Breaker 3RV2742 and UL 60947-4-1 "Type E" terminal block.
Description
Details the terminal cover and block for specific circuit breakers and terminal block types.
Mounting
Provides instructions for attaching the terminal cover and block.
Technical data
Technical data in Siemens Industry Online Support
Guides users on how to find technical data via Siemens Industry Online Support.
Circuit diagrams
CAx data
Information on finding CAx data (e.g., 3D models, drawings) via Siemens Industry Online Support.
Internal circuit diagrams for 3RV1 motor starter protectors / circuit breakers
Provides internal circuit diagrams for 3RV1 motor starter protectors and circuit breakers.
Internal circuit diagrams for 3RV2 motor starter protectors
Presents internal circuit diagrams for various 3RV2 motor starter protector types.
Internal circuit diagrams for auxiliary switches
Shows internal circuit diagrams for lateral and transverse auxiliary switches.
Internal circuit diagrams for motor starter protector accessories
Displays internal circuit diagrams for auxiliary releases and signaling switches.
Types of coordination
Types of coordination
Distinguishes between coordination type "1" and "2" based on damage extent after a short circuit.
References
References
Lists references to operating instructions and manuals for accessories and related systems.
Manuals - SIRIUS Modular System
Provides links to download SIRIUS manuals from the internet.
Dimension drawings (dimensions in mm)
CAx data
Guides on finding CAx data for product dimensions and technical drawings.
Dimension drawings 3RV1 motor starter protectors
Provides dimension drawings for 3RV1 motor starter protectors, including various types and sizes.
Dimension drawings 3RV1.1 motor starter protectors (size S00)
Specific dimension drawings for 3RV1.1 motor starter protectors in size S00.
Dimension drawings for 3RV2 motor starter protectors
Detailed dimension drawings for 3RV2 motor starter protectors across different sizes and connection types.
Dimension drawings for 3RV2 motor starter protectors (sizes S00 and S0)
Dimension drawings for 3RV2 motor starter protectors with screw-type and spring-loaded connections.
Dimension drawings for 3RV2 motor starter protectors (size S2)
Dimension drawings for 3RV2 motor starter protectors in size S2, including different current ratings.
Dimension drawings for 3RV2 motor starter protectors / circuit breakers (size S3)
Dimension drawings for 3RV2 motor starter protectors and circuit breakers in size S3.
Dimension drawings for disconnector modules
Provides dimension drawings for disconnector modules for motor starter protectors.
Dimension drawings for busbars
Shows dimension drawings for 3RV1915 and 3RV1935 3-phase busbar systems.
Dimension drawings for 3RV2926-0 door-coupling rotary operating mechanisms
Dimension drawings for 3RV2926-0 door-coupling rotary operating mechanisms for standard conditions.
Dimension drawings for 3RV2926-1 door-coupling rotary operating mechanisms
Dimension drawings for 3RV2926-1 door-coupling rotary operating mechanisms for standard conditions.
Dimension drawings for 3RV29.6-2. door-coupling rotary operating mechanisms for arduous conditions
Dimension drawings for 3RV29.6-2. rotary operating mechanisms for arduous conditions.
Dimension drawings for 3RV29.6-3 door-coupling rotary operating mechanisms for harsh conditions.
Dimension drawings for 3RV29.6-3 rotary operating mechanisms for harsh conditions.
Dimension drawings for terminals for "Self-Protected Combination Motor Controller Type E" according to UL 60947-4-1 (UL 508)
Dimension drawings for terminals used with "Self-Protected Combination Motor Controller Type E".
Dimension drawings for 3RV19.3-1.A00 molded-plastic surface-mounting enclosure
Dimension drawings for molded-plastic surface-mounting enclosures for 3RV1913-1.A00.
Dimension drawings for 3RV1923-1.A01 cast-aluminum surface-mounting enclosure
Dimension drawings for cast-aluminum surface-mounting enclosures for 3RV1923-1.A01.
Dimension drawings for 3RV19.3-2.A00 molded-plastic flush-mounting enclosure
Dimension drawings for molded-plastic flush-mounting enclosures for 3RV1923-2.A00.
Dimension drawings for 3RV1923-4 molded-plastic front plates
Dimension drawings for molded-plastic front plates for 3RV1923-4.
Dimension drawings 3RV2921-.M signaling switch
Dimension drawings for 3RV2921-.M signaling switches.
Need help?
Do you have a question about the SIRIUS 3RV20 and is the answer not in the manual?
Questions and answers