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Table of Contents
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3
System Manual, 01/2011, A8E56203870002
3
Table of Contents
5
1 System Overview
19
Introduction
19
Modular System for SIRIUS
19
Safety Instructions
22
Standards and Approvals
23
Standards
23
Approvals, Test Certificates, Characteristics
24
Overview
25
SIRIUS Modular System
25
Content of SIRIUS Innovations System Manual
27
System Properties
28
Modular System Design
29
Switching Technology
30
Uniform Connection System
32
Flexible Assembly Methods
33
Performance Capability
33
Assembly and Mounting
34
Load Feeders
34
Application Monitoring
36
Communication
37
Safety Applications
38
Environmental Protection
38
Energy Efficiency
38
Customer Benefits
40
Components and Combinations
42
Switching and Starting
42
SIRIUS 3RT2 Contactors
42
SIRIUS 3RF34 Solid-State Switching Devices
48
SIRIUS 3RW30/40 Soft Starters
49
Protecting
51
SIRIUS 3RV2 Motor Starter Protectors
51
SIRIUS 3RV2917 Infeed System
54
SIRIUS 3RU2/3RB3 Overload Relays
55
Monitoring
57
SIRIUS 3RR2 Current Monitoring Relays
57
Feeders
59
SIRIUS 3RA21/22 Load Feeders
59
SIRIUS 3RA6 Compact Starters
61
Function Modules
65
SIRIUS 3RA28 Function Modules for Mounting on SIRIUS 3RT2 Contactors
66
SIRIUS 3RA27 Function Modules for Connection to the Automation Level
68
Device Combinations
70
Mounting and Disassembly
72
Screw Mounting
72
Snap-On Mounting
72
Connection
74
Connection Systems
74
Screw Connection
74
Spring-Loaded Connection
75
Ring Cable Lug Connection
79
Conductor Cross-Sections
79
Conductor Cross-Sections for Screw-Type Connection Systems
80
Conductor Cross-Sections for Spring-Loaded Connection Systems
82
Conductor Cross-Sections for Ring Cable Lug Connection System
84
Image Database
85
Connection to the Higher-Level Control
86
IO-Link
89
Overview
89
Benefits
90
Applications
91
AS-Interface
94
Overview
94
Benefits
95
Operating Modes
95
Process Communication and Field Communication
96
System Components
97
Technical Data
98
More Information
99
2 SIRIUS 3RT2 Contactors/Contactor Assemblies
101
Standards
101
General Regulations and Standards
101
Protective Separation
102
Positively Driven Contact Elements/Mirror Contacts
103
Product Description
104
Overview of the Contactor Range
104
Device Versions
104
3RH2 Contactor Relays
105
3RT2 Power Contactors
107
3RA23 Reversing Contactor Assemblies
110
3RA24 Contactor Assemblies for Star-Delta (Wye-Delta) Start
111
Drive Options
112
Applications
113
Performance Features
114
Product Combinations
115
Configuration
116
Overview of Applications for Contactors and Contactor Assemblies
116
Drive System/Coil Selection
117
Application Environment
118
3RH2 Contactor Relays
118
3RT2 Power Contactors
118
Contactors for Railway Applications
121
Installation Altitude
122
Switching Motorized Loads
123
Switching Resistive Loads
124
Changing the Polarity of Hoisting Gear Motors
125
Switching in the Auxiliary Circuit
126
Contactors with Extended Operating Range
127
Overview
127
Contactors with UC Drive
127
Contactors for Railway Applications
128
Coupling Relays
130
Operation of a Motor in Two Directions of Rotation (3RA23 Reversing Contactor Assembly)
132
Starting Three-Phase Motors with Reduced Starting Current Peaks (3RA24 Contactor Assembly for Star-Delta (Wye-Delta) Start)
135
Technical Background Information
136
Using Long Control Cables
141
Mounting
148
Mounting Options
148
Mounting Position
148
Mounting on Mounting Plate
149
Snapping Onto DIN Rail (Snap-On Mounting)
150
Replacing Magnet Coils
150
Connection
153
Accessories
155
Accessories Overview
155
Auxiliary Switch Blocks
161
Description
161
Configuration
164
Mounting/Disassembly
167
Surge Suppressor
170
Description
170
Configuration
171
Mounting
178
EMC Suppression Module
179
Description
179
Configuration
180
Mounting
182
OFF-Delay Device
183
Description
183
Configuration
183
Mounting
183
Mechanical Latch
185
Description
185
Mounting/Disassembly
185
Operation
187
Additional Load Module
188
Description
188
Mounting
188
Control Kit for Manual Operation of Contactor Contacts
189
Description
189
Mounting
189
Coupling Link for PLC
190
Description
190
Mounting
191
LED Display Indicator Module
192
Description
192
Mounting
192
Solder Pin Adapter
193
Description
193
Mounting
194
Coil Terminal Module
195
Description
195
Mounting
196
Cover for Ring Cable Lug
197
Description
197
Sealable Cover
198
Description
198
Mounting
198
3-Phase Infeed Terminal
199
Description
199
Mounting
199
Parallel Switching Connectors
200
Description
200
Configuration
200
Mounting
201
Link Module for Two Contactors in Series
202
Description
202
Mounting
202
Link Module for Motor Starter Protector
204
Description
204
Pneumatic Timer
205
Description
205
Mounting/Disassembly
205
Operation
206
Insulating Stop
207
Description
207
Terminal Module for Contactors with Screw Connections
208
Description
208
Mounting
208
3RA27 Function Modules for Connection to the Automation Level (AS-Interface or IO-Link)
210
Description
210
3RA28 Function Modules for Mounting on 3RT2 Contactors
211
Description
211
Assembly Kit for Reversing Contactor Assemblies
212
Description
212
Mounting
212
Assembly Kit for Contactor Assemblies for Star-Delta (Wye-Delta) Start
219
Description
219
Mounting
221
Technical Data
228
Contactors for Switching Motors (3RT20)
228
Rated Data for Auxiliary Contacts
228
Contact Service Life of Auxiliary and Main Contacts
230
General Data and Short-Circuit Protection for 3RT201. Contactors Without Overload Relay
232
Actuation - 3RT201. Contactors
234
Direct Current)
236
Main Circuit - 3RT201. Contactors (Current Carrying Capacity for Alternating Current and Direct Current)
236
Conductor Cross-Sections - 3RT201. Contactors
242
General Data and Short-Circuit Protection for 3RT202. Contactors Without Overload Relay
243
Actuation - 3RT202. Contactors
245
Main Circuit - 3RT202. Contactors (Current Carrying Capacity for Alternating Current)
248
Rated Data for Auxiliary Contacts (CSA and UL)
251
Main Circuit - 3RT202. Contactors (Current Carrying Capacity for Direct Current)
252
Conductor Cross-Sections - 3RT202. Contactors
254
Rated Data (CSA and UL) for 3RT201. and 3RT202. Contactors
256
Contactors for Specific Applications (3RT23 and 3RT25)
258
General Data, Short-Circuit Protection for Contactors Without Overload Relay and Actuation (3RT231. and 3RT232. Contactors)
258
Main Circuit - 3RT231. and 3RT232. (Current Carrying Capacity for Alternating Current and Direct Current)
261
General Data, Short-Circuit Protection for Contactors Without Overload Relay and Actuation (3RT251. and 3RT252. Contactors)
263
Main Circuit - 3RT251. and 3RT252. (Current Carrying Capacity for Alternating Current and Direct Current)
264
Contactors with Extended Operating Range
266
Contactors for Railway Applications
266
Coupling Relays
267
3RH2 Contactor Relays
271
Permissible Mounting Position, Positively Driven Operation of Contacts and Contact Reliability of 3RH2 Contactor Relays (4- and 8-Pole)
271
General Data, Rated Data (CSA and UL), and Data Relating to Short-Circuit Protection for 3RH2. Contactor Relays
272
Conductor Cross-Sections - 3RH2. Contactor Relays
274
Actuation - 3RH2. Contactor Relays
275
Load Side of 3RH2. Contactor Relays
277
Accessories for 3RT2 Contactors and 3RH2 Contactor Relays
279
General Data - Pneumatic Timer 3RT2926-2P
279
General Data - OFF-Delay Device 3RT2916-2B
280
General Data - Terminal Module for Contactors with Screw Connection
282
General Data - Mechanical Latch 3RT2926-3A
284
General Data - Control Side and Load Side - Coupling Link 3RH2924-1GP11
285
Dimension Drawings (Dimensions in MM)
287
Contactors and Contactor Relays (Size S00)
287
Contactors (Size S0)
291
Circuit Diagrams
294
Contactors and Contactor Accessories
295
Reversing Contactor Assembly (S00/S0)
309
Contactor Assemblies for Star-Delta (Wye-Delta) Start
310
3 SIRIUS 3RF34 Solid-State Switching Devices
313
Safety Instructions
313
Standards
315
Product Description
316
Device Versions
316
Applications
318
Application Environment
319
Solid-State Switching Devices
320
Device Labels
322
Advantages of Solid-State Switching Devices
325
Product Combinations
326
Functions
327
Actuation of Solid-State Switching Devices
328
Planning/Configuring
329
Selecting Solid-State Switching Devices
329
Configuration: Selecting Solid-State Contactors for Motors
330
Short-Circuit Protection
334
Mounting Accessories for the Load Feeder Conforming to IEC
334
Mounting Accessories for the Load Feeder Conforming to UL
336
Application Planning
339
Application Areas
340
Switching Motors
340
Use in a Photovoltaic Plant
340
Mounting
341
Mounting Instructions
341
Screw Mounting
343
Snapping Onto/Off DIN Rail (Snap-On Mounting)
343
Connection
344
Solid-State Contactor
344
Solid-State Reversing Contactor
345
Faqs - Frequently Asked Questions
346
Accessories
347
Accessories Overview
347
Insulating Stop
347
Description
347
Link Module for Motor Starter Protector
348
Description
348
Mounting/Disassembly
349
Technical Data
350
General Data
350
Conductor Cross-Sections for Solid-State Contactors
352
Conductor Cross-Sections for Solid-State Reversing Contactors
353
Solid-State Contactors 3RF34, 3-Phase, Screw Connection
354
Solid-State Contactors 3RF34, 3-Phase, Spring-Loaded Terminals
355
Solid-State Contactors - Fuseless Design with CLASS 10 Motor Starter Protector
356
Solid-State Contactors - Fused Design with 3RB30 Overload Relay
357
Solid-State Contactors - Main Circuit, 2-Phase Controlled
358
Solid-State Contactors with Control Circuit
358
Solid-State Reversing Contactor with Integration of Four Current Paths to Form a Single Reversing Circuit
359
Solid-State Contactors - Fuseless Design with CLASS 10 Motor Starter Protector
359
Solid-State Contactor - Fused Design with 3RB30 Overload Relay
360
Solid-State Reversing Contactor - Main Circuit, 2-Phase Controlled
360
Solid-State Reversing Contactor with Control Circuit
361
Characteristics - Switching Frequency/Load
362
Characteristics for the Solid-State Contactor
362
Characteristics for the Solid-State Reversing Contactor
367
Dimension Drawings (Dimensions in MM)
372
Solid-State Switching Devices
372
Link Module for Motor Starter Protector
373
Circuit Diagrams
374
4 SIRIUS 3RV2 Motor Starter Protectors
379
Standards
379
Product Description
380
Introduction
380
Versions
381
Applications
382
Motor Starter Protectors
383
Performance Features
384
Product Combinations
385
Functions
386
Overload and Short-Circuit Protection
386
Tripping Classes
387
Tripping Characteristics
388
Phase Loss Sensitivity
390
Protecting Single-Phase Loads or DC Loads
390
Test Function
390
Configuration
391
Short-Circuit Protection
391
Motor Protection
391
System Protection
391
Motor Protection with Overload Relay Function
392
Short-Circuit Protection for Starter Combinations
392
Transformer Protection
393
Main Switch
393
Use in IT Systems
393
Switching Direct Current
394
Devices for North America (UL/CSA)
395
Approved According to UL 508/CSA C22.2 No. 14
395
Approval as "Circuit Breaker" According to UL 489/CSA C 22.2 No. 5-02
396
Application Environment
396
Selecting the Motor Starter Protectors
398
Project Guidelines for Use Downstream of Frequency Converters/Inverters with Pulsed Voltage
398
The Effects of High-Frequency Currents on the Thermal Overload Release
398
Capacitive Leakage Currents
399
Speed Control of Motors with Characteristic-Controlled Frequency Converters
400
Mounting
401
Standard Mounting
401
Minimum Clearances and Mounting Position
401
Mounting
402
Mounting in Limiter Circuit
403
Connection
403
Operation
404
Setting the Current
404
Testing the Overload Release
405
Testing the Overload Relay Function (3RV21)
405
Securing
406
Reclosing after Tripping
406
Accessories
407
Accessories Overview
407
Installation Rules/Component Rules
409
Auxiliary Switch
410
Description
410
Mounting
411
Disassembly
412
Signaling Switch
413
Description
413
Mounting
414
Disassembly
414
Operation and Diagnostics
415
Auxiliary Release
416
Description
416
Auxiliary Release Voltage Ranges
417
Mounting
418
Disassembly
418
Disconnector Module
419
Description
419
Mounting
419
Isolation and Shut-Off
421
Phase Barriers/Ul 508 "Type E" Terminals
422
Description
422
Mounting UL 508 "Type E" Terminals
423
Mounting Phase Barriers
423
Door-Coupling Rotary Operating Mechanism
424
Description
424
Mounting
425
Operating the Door-Coupling Rotary Operating Mechanism
426
Operating the Door-Coupling Rotary Operating Mechanism for Arduous Conditions
429
Enclosures and Mounting Accessories
432
Description
432
Mounting
433
Sealable Cover
436
Description
436
Mounting
436
Insulated 3RV19 3-Phase Busbar System
437
Description
437
Versions
438
Mounting
439
8US Busbar Adapter
440
Description
440
Versions
440
Mounting
442
Disassembly
443
3RV2917 Infeed System
446
Description
446
Derating
449
Mounting
450
Link Module for Attaching a Contactor
452
Description
452
Mounting
452
Technical Data
453
Performance Features
453
3RV2 Motor Starter Protectors
454
Rated Data for Auxiliary and Signaling Switches
456
Auxiliary Switches, Front-Mounted, Transverse
456
Auxiliary Switches, Transverse, Solid-State Compatible
457
Auxiliary Switches, Lateral and Signaling Switches
457
Auxiliary Releases
458
Short-Circuit Protection for Auxiliary and Control Circuits
458
Conductor Cross-Sections Main Circuit
459
Conductor Cross-Sections Auxiliary and Control Circuits
460
Short-Circuit Breaking Capacity
462
Short-Circuit Breaking Capacity for Motor Starter Protectors
462
Short-Circuit Breaking Capacity for Motor Starter Protectors in the IT System
464
Short-Circuit Breaking Capacity for Motor Starter Protectors with Limiter Function
467
Permissible Rated Data of Approved Devices for North America (UL/CSA)
467
Approved According to UL 508/CSA C22.2 No. 14
467
Approval as "Circuit Breaker" According to UL 489/CSA C 22.2 No. 5-02
476
Dimension Drawings (Dimensions in MM)
478
Dimension Drawings for 3RV2 Motor Starter Protectors
478
Circuit Diagrams
482
5 SIRIUS 3RU2/3RB3 Overload Relays
485
Standards
485
Product Description
486
Introduction
486
Versions
487
Applications
488
3RU21 Thermal Overload Relays
490
3RB30/3RB31 Solid-State Overload Relays
491
Product Combinations
493
Functions
494
Protection against Overload, Phase Failure, and Phase Asymmetry
494
Functional Principle
494
Time-Delayed Overload Release
495
Tripping Classes
495
Tripping Characteristics
496
Ground-Fault Protection (3RB31 Only)
499
Auxiliary Contacts
500
Indication of the Operating State
501
Self-Monitoring (3RB30/3RB31 Only)
501
Additional Functions
502
Configuration
503
Overload Relays in Motor Feeders
503
Normal and Heavy-Duty Starting
504
Contactor Assembly for Star-Delta (Wye-Delta) Start
505
Operation with Frequency Converters
505
Short-Circuit Protection
506
Protecting Explosion-Protected Motors
506
Application Environment
506
Mounting
508
Mounting Options
508
Minimum Clearances and Mounting Position
508
Mounting/Disassembly
509
Connection
513
Connection of 3RU21 Overload Relay
514
Connection of 3RB30/3RB31 Overload Relays
515
Operation
516
Setting the Current
516
Setting the Tripping Class/Ground-Fault Detection (3RB31)
517
RESET after Release
517
TEST Function
520
Response of the Auxiliary Contacts
522
Accessories
523
Terminal Support for Stand-Alone Assembly
524
Description
524
Mounting/Disassembly
524
Mechanical Remote RESET (Release Slide)
527
Description
527
Mounting/Disassembly
527
Mechanical Remote RESET (Cable Release)
529
Description
529
Mounting/Disassembly
530
Module for Electrical Remote RESET (3RU21 Only)
531
Description
531
Connecting the Remote RESET
531
Mounting/Disassembly
532
Sealable Cover
533
Description
533
Mounting
533
Covers for Ring Cable Lug Connections
535
Description
535
Technical Data
536
Performance Features
536
General Data
536
Protection Functions - Overview
536
Equipment
537
Configuration of Load Feeders
537
Features of Overload Relays
538
3Ru21
539
General Technical Data
539
Main Circuit
540
Conductor Cross-Sections Main Circuit
541
Auxiliary Circuit
543
Conductor Cross Sections, Auxiliary Circuit
544
3Rb30/3Rb31
546
General Technical Data
546
Main Circuit
548
Conductor Cross-Sections Main Circuit
549
Auxiliary Circuit
550
Conductor Cross Sections, Auxiliary Circuit
551
Dimension Drawings (Dimensions in MM)
552
Dimension Drawings for 3RU21 Thermal Overload Relays
552
Dimension Drawings for 3RB30/3RB31 Solid-State Overload Relays
556
Circuit Diagrams
559
6 SIRIUS 3RA21/22 Load Feeders
563
Standards
563
Product Description
564
Overview
564
Device Versions
564
Pre-Assembled Complete Devices
566
Self-Assembled Load Feeders
567
Applications
568
Application Environment
568
Product Combinations
569
Functions
570
Configuration
571
Mounting
572
Installation Guidelines
572
Minimum Clearances (400 V AC)
572
Mounting and Disassembling Load Feeders
576
Overview
576
Load Feeder with Screw-Type Connection System
577
Load Feeder with Spring-Loaded Connection System
579
Load Feeder with Hybrid Connection
589
Mounting and Disassembling the Assembly Types
593
On DIN Rail Without DIN Rail Adapter
593
On DIN Rail with DIN Rail Adapter
594
On Busbar System
598
Wall Mounting
605
Connection
608
Operation
608
Accessories
609
Overview
609
Accessories for Starter Combinations
610
Link Modules
611
Accessories for DIN Rail Mounting
614
Accessories for Busbar Mounting
615
Technical Data
616
General Data
616
Conductor Cross-Sections - Main Circuit
619
Conductor Cross Sections - Auxiliary Circuit
621
Dimension Drawings (Dimensions in MM)
623
Circuit Diagrams
637
7 SIRIUS 3RA28 Function Modules for Mounting on 3RT2 Contactors
641
Standards
641
Product Description
642
Device Versions
643
Performance Features
645
Applications
646
Function Modules for Direct-On-Line Start
646
Function Modules for Star-Delta (Wye-Delta) Start
647
3RA28 Function Modules
649
Product Combinations
650
Functions
651
Overvoltage Protection
651
Time-Delayed Switching of Contactors
651
Response Delay
651
OFF-Delay with Auxiliary Voltage
653
OFF-Delay Without Auxiliary Voltage
654
Star-Delta (Wye-Delta) Function
655
Configuration
656
Mounting
660
Mounting Instructions
660
Minimum Clearances and Mounting Position
660
Function Modules for Direct-On-Line Start
660
Output/Solid-State Time-Delay Auxiliary Switch)
660
Function Module for Star-Delta (Wye-Delta) Start
662
Disassembly
665
Function Modules for Direct-On-Line Start
665
Output/Solid-State Time-Delay Auxiliary Switch)
665
Function Module for Star-Delta (Wye-Delta) Start
666
Replacing the Removable Terminal
668
Connection
669
Connecting the Function Modules for Direct-On-Line Start
669
Connecting the Solid-State Timing Relay with Semiconductor Output
669
Connecting the Solid-State Time-Delay Auxiliary Switch
671
Connecting the Function Module for Star-Delta (Wye-Delta) Start
672
Operation
673
Setting the Times
673
Accessories
674
Sealable Cover Cap
674
Technical Data
675
Dimension Drawings
677
Solid-State Timing Relays with Semiconductor Output and Solid-State Time-Delay Auxiliary Switches
677
Star-Delta (Wye-Delta) Modules
678
Circuit Diagrams
679
Internal Circuit Diagrams
680
Example Circuit Diagrams
681
8 SIRIUS 3RR2 Current Monitoring Relays
683
Standards
683
Product Description
684
Introduction
684
Versions
685
Applications
685
The Advantages of Current Monitoring Relays
686
3RR214.-.A.30 Basic Analog Setting Current Monitoring Relay
687
3RR224.-.F.30 Standard Digital Setting Current Monitoring Relay
688
Product Combinations
689
Functions
690
Functions and Parameters
690
Function Charts for Basic Analog Setting Current Monitoring Relay
692
Function Charts for Standard Digital Setting Current Monitoring Relay
693
Configuration
695
Current Monitoring Relay Application Areas
695
Fault Detection
695
Wear Detection
696
Process Monitoring
696
Overload Detection
696
Detection of Load Shedding
696
Cable Break and Phase Failure
697
Rotating Field Detection with Motors
697
Motor Protection in the Case of Special Applications
697
Application Environment
698
Mounting
699
Mounting Options
699
Minimum Clearances and Mounting Positions
699
Mounting/Disassembly
699
Connection
702
3RR21 Basic Analog Setting Current Monitoring Relay
702
3RR22 Standard Digital Setting Current Monitoring Relay
703
Operation
704
3RR21 Basic Analog Setting Current Monitoring Relay
704
Parameters
704
Lower Threshold Value
705
Upper Threshold Value
706
ON-Delay Time
707
Tripping Delay Time
708
Memory
709
Diagnostics with LED
710
3RR22 Standard Digital Setting Current Monitoring Relay
711
Parameters
711
Switching Menus (Possible Settings Are SET and RUN)
713
Settings in the "RUN" Menu
716
Settings in the "SET" Menu
718
Diagnostics in the "RUN" Menu
727
Accessories
729
Terminal Support for Stand-Alone Assembly
729
Description
729
Mounting
730
Sealable Cover
732
Description
732
Mounting
732
Technical Data
733
Performance Features of Current Monitoring Relays
733
General Data
733
Monitoring Functions
734
Equipment
735
Configuration of Load Feeders
736
Features of Current Monitoring Relays
737
Combinations with 3RT20 Contactor
737
3RR21 Basic Analog Setting Current Monitoring Relay
738
General Technical Data
738
Main Circuit
740
Connection for Main Circuit
741
Auxiliary Circuit
742
Connecting the Auxiliary Circuit
743
Short-Circuit Protection
743
3RR22 Standard Digital Setting Current Monitoring Relay
744
General Technical Data
744
Main Circuit
746
Conductor Cross-Sections Main Circuit
747
Auxiliary Circuit
748
Conductor Cross Sections, Auxiliary Circuit
749
Short-Circuit Protection
749
Dimension Drawings (Dimensions in MM)
750
Dimension Drawings for 3RR21 Basic Analog Setting Current Monitoring Relay
750
Dimension Drawings for 3RR22 Standard Digital Setting Current Monitoring Relay
752
Circuit Diagrams
754
A Appendix A
757
Types of Coordination
757
A.1 Types of Coordination
757
More Information
758
A.2 more Information
758
Correction Sheet
759
A.3 Correction Sheet
759
Glossary
761
Index
775
4
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Siemens SIRIUS 3RF Series Specifications
General
Brand
Siemens
Model
SIRIUS 3RF Series
Category
Industrial Equipment
Language
English
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