Siemens 3VA2 250 A Circuit Breaker Manuals

Manuals and User Guides for Siemens 3VA2 250 A Circuit Breaker. We have 2 Siemens 3VA2 250 A Circuit Breaker manuals available for free PDF download: Manual, Operating Instructions

Siemens 3VA2 250 A Manual

Siemens 3VA2 250 A Manual (532 pages)

Molded case circuit breakers

Brand: Siemens | Category: Power Tool | Size: 25 MB

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
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
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

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Siemens 3VA2 250 A Operating Instructions

Siemens 3VA2 250 A Operating Instructions (4 pages)

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Brand: Siemens | Category: Industrial Equipment | Size: 5 MB

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