Table of Contents
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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
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Table of Contents
Related Manuals for Siemens SIRIUS 3RV2
Summarization of Contents
Introduction
Responsibility of the user for system configuration and functionality
Outlines user's role in system setup and product functionality.
Purpose of the manual
Details the manual's scope and intended information for users.
Advantages through energy efficiency
Highlights Siemens' portfolio for efficient energy management and product benefits.
Required basic knowledge
Specifies the general knowledge needed to understand the operating instructions.
Scope of the manual
Defines the manual's validity and content at the time of publication.
Siemens Industry Online Support
Explains how to access up-to-date product information and services online.
Further documentation
Guides users to additional documentation and manuals for installation and connection.
Siemens Industry Online Support app
Describes the mobile app for accessing device-specific information from the online support portal.
Support Request
Provides instructions on how to submit technical inquiries or questions via an online form.
Standards
Applicable standards
Lists the standards that 3RV motor starter protectors and circuit breakers meet.
Requirements for switching high-efficiency motors
Details requirements for protecting devices when switching high-efficiency motors, covering AC-3e category.
Notes on the protection of device connections
Provides information on short-circuit and overcurrent protection for device connections.
Safety instructions
General safety notes
Contains critical safety warnings, including hazardous voltage hazards and lockout/tagout procedures.
Cybersecurity information
Discusses industrial cybersecurity measures and customer responsibilities for system security.
Intended use
Specifies the proper applications and usage of 3RV circuit breakers to avoid risks.
Current information about operational safety
Advises users to stay updated on safety information via newsletters for system safety.
Recycling and disposal
Provides guidance on the environmentally friendly disposal of old devices according to regulations.
Product description
Introduction
Introduces 3RV motor starter protectors as compact, current-limiting devices optimized for load feeders.
Versions
Details the different device versions, sizes, and number of poles available for 3RV1 and 3RV2 motor starter protectors.
Applications
Outlines the general and special applications for which 3RV motor starter protectors are suitable.
Motor starter protectors
Describes the equipment features of 3RV1 and 3RV2 motor starter protectors, including terminals and operating mechanisms.
Performance features
Highlights the technical advantages and customer benefits of SIRIUS motor starter protectors.
Product combinations
Reference
Refers to appendix for information on possible combinations of SIRIUS modular system products.
Functions
Overload and short-circuit protection
Explains the functions of overload and short-circuit protection, including tripping classes and characteristics.
Phase loss sensitivity
Details the phase loss sensitivity feature that ensures timely tripping during phase failure or unbalance.
Protection of single-phase loads
Discusses the suitability of devices for single-phase loads and connection requirements.
Test function
Describes how to use the test slide/pushbutton to check the operational correctness of the motor starter protector.
Configuration
Performance features
Compares performance features of 3RV1 and 3RV2 motor starter protectors across different models and sizes.
TIA Selection Tool
Introduces the TIA Selection Tool for selecting, configuring, and ordering devices for Totally Integrated Automation.
Short-circuit protection
Explains the short-circuit breaking capacity (Icu, Ics) of 3RV2 motor starter protectors according to IEC 60947-2.
Motor protection
Details the tripping characteristics and phase loss sensitivity for protecting three-phase motors.
System protection
Discusses the suitability of 3RV20 and 3RV21 for system protection and specific device features.
Motor protection with overload relay function
Explains the overload relay function of 3RV21 motor starter protectors and its auxiliary contacts.
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.
Technical modifications/restrictions of 3RV2 motor starter protectors
Outlines restrictions on maximum starting current and adaptations for IE3/IE4 motors.
Short-circuit protection for starter combinations
Provides guidance on selecting MSPs and thermal overload relays for starter combinations, especially with IE3/IE4 motors.
Transformer protection
Discusses protection against inrush currents for transformers using specific motor starter protector versions.
Main switch
Explains how 3RV2 motor starter protectors satisfy main switch features according to IEC 60947-2.
Fuse monitoring
Details the use of the 3RV1611-0BD10 circuit breaker for fuse monitoring and associated safety information.
Voltage transformer circuit breaker
Describes the voltage transformer circuit breaker and its features for reliable distance protection.
Use in IT systems
Explains the suitability of 3RV motor starter protectors for IT systems and the handling of double ground faults.
Devices for North America (UL/CSA)
Covers approvals and applications of SIRIUS devices in compliance with UL and CSA standards.
Application environment
Provides crucial information on installation altitude, operating conditions, and ambient temperatures/derating.
Selecting the motor starter protectors
Offers guidelines for selecting the correct motor starter protectors based on inrush current and motor characteristics.
Project guidelines for use downstream of frequency converters/inverters with pulsed voltage
Addresses project guidelines for using thermal overload releases with frequency converters and pulsed voltage.
Mounting
Warning notice
Displays a critical DANGER warning regarding hazardous voltage during mounting.
Standard mounting
Details minimum clearances, mounting positions, and installation options for SIRIUS motor starter protectors.
Mounting in limiter circuit
Provides installation guidelines and minimum clearances for 3RV2 motor starter protectors with limiter function.
Connection
Warning notice
Displays a critical DANGER warning regarding hazardous voltage during connection.
Conductor cross-sections
Defines permissible conductor cross-sections for screw-type, spring-loaded, and ring cable lug connection systems.
Operation
Setting the current
Explains the procedure for setting the load's rated current on the motor starter protector's scale.
Testing the overload release
Details the procedures for testing the overload release mechanism 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 motor starter protector.
Securing
Explains how to secure the motor starter protector against unauthorized closing using a padlock.
Reclosing after tripping
Details the process of reclosing the motor starter protector after a fault has been remedied.
Accessories
Accessories overview
Provides an overview of mountable accessories for SIRIUS motor starter protectors, including diagrams.
Installation rules/Component rules
Outlines maximum expansion limits and possible combinations for auxiliary/signaling switches.
Auxiliary switch
Describes the function, versions, and mounting of transverse and lateral auxiliary switches.
Signaling switch
Details the function, versions, terminal labels, and mounting of signaling switches.
3RV2 COM wireless auxiliary and signaling switches (3RV2921-5M) for 3RV2
Introduces wireless communication switches for 3RV2, their functions, and integration.
Auxiliary release
Explains the types, mounting, and voltage ranges of auxiliary releases (undervoltage, shunt).
Disconnector module
Describes the disconnector module, its mounting, and isolation/shut-off procedures.
Phase barriers / terminal block UL 60947-4-1 (UL 508) "Type E"
Explains the purpose and mounting of phase barriers and terminal blocks for UL 60947-4-1 Type E.
Door-coupling rotary operating mechanism (not for 3RV1011 and 3RV1611)
Details the door-coupling rotary operating mechanisms for standard and harsh conditions, including mounting and operation.
Enclosures and mounting accessories
Covers plastic, molded-plastic, and aluminum cast enclosures for surface and flush mounting.
Sealable cover
Explains the function and mounting of the sealable cover for securing the rotary button.
Insulated 3RV1915 (S00/S0) and 3RV1935 (S2) 3-phase busbar system
Describes the insulated 3-phase busbar systems for power supply and their versions.
8US busbar adapter
Details the 8US 3-phase busbar adapter for connecting motor starter protectors to busbar systems.
3RV2917 infeed system
Introduces the 3RV29 infeed system for feeding power and distributing it to multiple protectors.
Link module for attaching a contactor
Explains the function and types of link modules for connecting motor starter protectors to contactors or soft starters.
Terminal cover for cable lug connection and busbar connection
Describes the terminal cover for size S3 devices for touch protection and clearances.
Terminal covers for box terminal block
Details terminal covers for box terminal blocks for sizes S2 and S3.
Terminal cover for circuit breaker and the terminal block UL 60947-4-1 (UL 508) "Type E"
Describes the terminal cover and terminal block for 3RV2742 and 3RT2946-4GA07.
Technical data
Technical data in Siemens Industry Online Support
Guides users on how to find technical data for products via Siemens Industry Online Support.
Circuit diagrams
CAx data
Explains how to find CAx data (e.g., CAD, 3D models) for devices 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
Displays internal circuit diagrams for various 3RV2 motor starter protectors and circuit breakers.
Internal circuit diagrams for auxiliary switches
Shows internal circuit diagrams for 3RV29 auxiliary switches, including lateral and transverse types.
Internal circuit diagrams for motor starter protector accessories
Illustrates internal circuit diagrams for auxiliary releases and signaling switches.
Types of coordination
A.1 Types of coordination
Distinguishes between coordination types 1 and 2 as defined by standard DIN EN 60947-4-1.
References
B.1 References
Lists further references, including operating instructions and manuals for accessories.
B.2 Manuals - SIRIUS Modular System
Provides a list of manuals available for the SIRIUS Modular System from the Internet.
Dimension drawings (dimensions in mm)
C.1 CAx data
Guides users to find CAx data for dimensional drawings via Siemens Industry Online Support.
C.2 Dimension drawings 3RV1 motor starter protectors
Displays dimension drawings for 3RV1 motor starter protectors, including screw-type connection systems.
C.3 Dimension drawings for 3RV2 motor starter protectors
Provides dimension drawings for 3RV2 motor starter protectors, covering screw-type, spring-loaded, and circuit breaker types.
C.4 Dimension drawings for disconnector modules
Shows dimension drawings for disconnector modules for motor starter protectors sizes S00, S0, S2, and S3.
C.5 Dimension drawings for busbars
Presents dimension drawings for 3RV1915 and 3RV1935 3-phase busbar systems and infeed terminals.
C.6 Dimension drawings for 3RV2926-0 door-coupling rotary operating mechanisms
Displays dimension drawings for 3RV2926-0 door-coupling rotary operating mechanisms for standard and harsh conditions.
C.7 Dimension drawings for 3RV2926-1 door-coupling rotary operating mechanisms
Shows dimension drawings for 3RV2926-1 door-coupling rotary operating mechanisms for standard conditions.
C.8 Dimension drawings for 3RV29.6-2. door-coupling rotary operating mechanisms for arduous conditions
Provides dimension drawings for 3RV29.6-2. door-coupling rotary operating mechanisms for arduous conditions.
C.9 Dimension drawings for 3RV29.6-3 door-coupling rotary operating mechanisms for harsh conditions.
Details dimension drawings for 3RV29.6-3 door-coupling rotary operating mechanisms for harsh conditions.
C.10 Dimension drawings for terminals for "Self-Protected Combination Motor Controller Type E" according to UL 60947-4-1 (UL 508)
Shows dimension drawings for terminals used with "Self-Protected Combination Motor Controller Type E".
C.11 Dimension drawings for 3RV19.3-1.A00 molded-plastic surface-mounting enclosure
Provides dimension drawings for 3RV1913-1.A00 molded-plastic surface-mounting enclosures.
C.12 Dimension drawings for 3RV1923-1.A01 cast-aluminum surface-mounting enclosure
Displays dimension drawings for 3RV1923-1.A01 cast-aluminum surface-mounting enclosures.
C.13 Dimension drawings for 3RV19.3-2.A00 molded-plastic flush-mounting enclosure
Shows dimension drawings for 3RV1923-2.A00 molded-plastic flush-mounting enclosures.
C.14 Dimension drawings for 3RV1923-4 molded-plastic front plates
Provides dimension drawings for 3RV1923-4 molded-plastic front plates for motor starter protectors.
C.15 Dimension drawings 3RV2921-.M signaling switch
Shows dimension drawings for 3RV2921-.M signaling switches.
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