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3VA1 100 A
Siemens 3VA1 100 A User Manual
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Descr
iption
2.8
E
lectr
onic trip unit
3VA
mold
e
d cas
e c
ircui
t br
eak
ers
Manu
al
,
04/
2015
,
A5E
0360
31770
10
-
02
87
2.8.1
Connections
The connec
tions on t
he
ETU ar
e
illustr
ated in the diagram below:
â‘
Int
e
rface
for an
external cu
rrent t
ransformer
for N
conduct
or
â‘¡
Int
e
rface
for conne
ct
ion
of an
EFB300
external
function box
â‘¢
Int
e
rface
for conne
ct
ion
of an
RC
D820
residual cu
r
rent
devic
e
â‘£
Connection
for te
st device
s TD3
00
and TD
500
86
88
Table of Contents
Table of Contents
5
Introduction
11
About this Documentation
11
Product-Specific Information
11
Target Readers
11
Technical Support
12
Reference Documents
12
Description
15
Overview - Applications and Portfolio
15
Applications and Possible Uses
15
Portfolio
17
Application Examples
22
Detailed Information about Applications and Possible Uses
24
Technical Specifications
25
Molded Case Circuit Breakers and Accessories in the System
28
Ergonomic Design
32
The Right Circuit Breaker for any Installation Conditions
33
Ergonomic Design of Circuit Breakers, Handles and Control Elements
36
Wide Range of Accessories
39
Connection Technology
41
Technical Details
43
Circuit Breaker Identification
44
Operation
50
Design and Components - 3VA1
51
Design and Components - 3VA2
52
Current Limitation
53
Breaking Capacity
54
Selectivity
56
Standards and Guidelines
59
Compliance with Standards
59
Electromagnetic Compatibility
60
Certificates
60
Ambient Conditions
60
Permissible Mounting Positions
62
Safety Clearances
64
Degrees of Protection
68
Environmental Protection
68
Protection System
69
Description of Functions
70
Characteristic Curves
72
Guide to Setting the Tripping Characteristic
74
Overload Protection (L)
76
Short-Time Delayed Short-Circuit Protection (S)
77
Instantaneous Short-Circuit Protection (I)
77
Ground-Fault Protection (G)
77
Neutral Conductor Protection (N)
78
Zone-Selective Interlocking ZSI
81
Thermal-Magnetic Trip Unit
84
Thermal Trip Unit (L)
84
Magnetic Trip Unit with Short-Circuit Protection (I)
84
Application Cases and Trip Unit Types
85
Electronic Trip Unit
86
Connections
87
Protection Functions
88
Operator Controls
90
Load Acceptance and Load Shedding - Load Management
100
Measuring with a Rogowski Coil
101
Applications
105
Line Protection Applications of 3VA Molded Case Circuit Breakers
105
Variants
106
Thermal-Magnetic Trip Units
106
Electronic Trip Units
110
Overview of 3VA Molded Case Circuit Breakers in Line Protection Applications
124
Use of the 3VA1 Breaker as a Switch Disconnector
126
Overview of 3VA1 as Switch Disconnectors
130
Upstream Protection of Switch Disconnectors
130
DC Network Applications of the 3VA Molded Case Circuit Breaker
132
Introduction
132
Variants
133
Breaking Capacity with Direct Current
134
Recommended Circuit Configurations for DC Systems
135
400 Hz Network Applications of 3VA Molded Case Circuit Breakers
136
IT System Applications of 3VA Molded Case Circuit Breakers
138
Selection Criteria for 3VA Molded Case Circuit Breakers
138
Fault Situation
139
Accessories
141
Overview of Accessories for 3VA Molded Case Circuit Breakers
141
Accessories Groups
141
Possible Combinations of of Accessories
142
Internal Accessories
146
Mounting Locations on 3VA Molded Case Circuit Breakers
146
Auxiliary and Alarm Switches
150
Contact Sequence Diagrams
154
Technical Specifications of Auxiliary and Alarm Switches
156
Auxiliary Releases
158
Time-Delay Devices for Undervoltage Releases
164
COM060 Communication Module
164
Connection System
165
General Information about Cables and Busbars
165
Portfolio of Connection Components for 3VA Molded Case Circuit Breakers
169
General Overview
169
Front Cable Connection
173
Front Busbar and Cable Lug Connections
181
Rear Busbar and Cable Lug Connections
186
Further Connection Accessories
191
Insulating Equipment
191
Auxiliary Conductor Terminal
199
Plug-In and Draw-Out Technology
201
Introduction
201
Overview of Variants / Products
205
General Information
206
Information about Installation, Built-On and Built-In Components
207
Plug-In Technology
208
Product Description
208
Combination with Other Accessories
214
Draw-Out Technology
215
Product Description
215
Combination with Other Accessories
224
Accessories for Plug-In and Draw-Out Units
225
Description of Individual Product Variants
225
Overview of Technical Specifications
236
Combination with Other Accessories
237
Manual Operators
238
Opening, Closing and Resetting the 3VA Molded Case Circuit Breaker
239
Front Mounted Rotary Operator
241
Door Mounted Rotary Operator
244
Side Wall Mounted Rotary Operator
249
Locking and Interlocking for Manual Operators
251
Locking by the Handle
251
Locking and Interlocking by the Rotary Operator
253
Mutual Interlocking of 3VA Molded Case Circuit Breakers by Means of Bowden Cables
256
Degree of Protection
258
Accessories
259
Motor Operators
260
Motor Operator MO320
260
MANUAL, AUTO and LOCK Modes
262
Opening, Closing and Resetting the 3VA Molded Case Circuit Breaker
263
Faults, Causes of Faults and Rectification of Faults
267
Technical Specifications
268
Locking and Interlocking
269
General Information
269
Locking
269
Interlocking
270
Locking
272
Padlock Device for the Handle
272
Cylinder Locks for Locking the 3VA Molded Case Circuit Breaker
273
Front Interlocking
277
Cylinder Locks for Implementing Interlocks between Multiple 3VA Molded Case Circuit Breakers
277
Sliding Bar with Bowden Cable: Modules for Sliding Bar with Bowden Cable
282
Sliding Bar
285
Rear Interlock
288
Residual Current Devices
293
Portfolio
293
Possible Combinations of Residual Current Devices and 3VA Circuit Breakers
299
Residual Current Devices for Mounting on Circuit Breakers
300
Side Mounted Residual Current Devices Basic RCD310 and Basic RCD510
302
Loadside Residual Current Devices Basic RCD320 and Basic RCD520
319
Loadside Residual Current Device Advanced RCD820
333
Technical Specifications
352
Modular Residual Current Device
355
Communication and Link-Up to Other Systems
360
Description of Application and Basic Function
360
3VA Concept 3VA-Line
369
Commissioning and Testing of Electronic Trip Units Using Powerconfig
375
EFB300 External Function Box
379
General Information
379
Power Supply
380
Functions of the Digital Input and Digital Outputs
380
Zone-Selective Interlocking ZSI
382
SET> Button
384
Technical Specifications
391
Test Devices
393
The TD300 Activation and Trip Box
394
Operation and Execution of the Tripping Function
395
Technical Specifications of TD300
397
The TD500 Test Device
398
Operation and Execution of Test Functions
403
Executing the Test Functions Using a PC and Powerconfig
408
Parameterizing Using the Powerconfig Software
408
Technical Specifications
409
External Current Transformer for N Conductor
410
Escutcheon
411
Product Description
412
Labeling Plate
414
DIN Rail Adapter
415
Introduction
415
Information about Installation, Assembly and Attachment
416
Service and Maintenance
419
Notes
419
Regular Maintenance
419
Maintenance Following Tripping of a Molded Case Circuit Breaker
421
Fault Diagnostics
422
Technical Specifications
423
Circuit Diagrams
423
3VA1 Molded Case Circuit Breakers
423
Basic Units
423
Accessories
426
Example: 3VA1 Molded Case Circuit Breaker with Built-On/Built-In Accessories
431
3VA2 Molded Case Circuit Breakers
432
Basic Units
432
Accessories
433
Example: 3VA2 Molded Case Circuit Breaker with Built-On/Built-In Accessories
443
Application Examples
444
Main Switch Application with EMERGENCY-STOP Function in Accordance with Machinery Directive IEC/EN 60204-1
444
Electrical Interlocking of Two 3VA Molded Case Circuit Breakers with Undervoltage Releases
445
Dimensional Drawings
446
Dimensions of Basic Units
446
3VA10 and 3VA11
446
3Va12
449
3Va20
450
3Va23
452
Dimensions of Accessories
453
Connection Technology
453
Plug-In and Draw-Out Units
460
Manual Operators
463
Motor Operators
471
Locking and Interlocking
472
Residual Current Devices
478
Communication and System Integration
483
EFB300 External Function Box
484
Test Devices
485
External Current Transformer for N Conductor
485
Escutcheon
486
Power Losses
487
Power Losses of 3VA1 Molded Case Circuit Breakers
487
Power Losses of 3VA2 Molded Case Circuit Breakers
488
Derating and Temperature Compensation
489
Derating of 3VA1 Molded Case Circuit Breakers
489
Temperature Compensation with Thermal-Magnetic Trip Units of the TM 2-Series
491
Use of Terminals with Auxiliary Conductor Connection
496
Additional Correction Factors with Frequencies Other than 50/60 Hz for 3VA1 Molded Case Circuit Breakers
496
Correction Factors with Direct Current for the Thermal-Magnetic Trip Units of 3VA1 Molded Case Circuit Breakers
498
Derating for the 3VA1 Switch Disconnector
499
Derating for the Electronic Trip Units of 3VA2 Molded Case Circuit Breakers
501
Appendix
505
Standards and Approvals
505
A.1 Standards and Approvals
505
ESD Guidelines
507
Electrostatic Sensitive Devices (ESD)
507
List of Abbreviations
509
Table of Abbreviations
509
C.1 Table of Abbreviations
509
Conversion Tables
515
Glossary
519
Index
525
4
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Siemens 3VA1 100 A Specifications
General
Brand
Siemens
Model
3VA1 100 A
Category
Power Tool
Language
English
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