Siemens 3VA1 100 A User Manual

3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
5
Table of contents
1 Introduction................................................................................................................................. 11
1.1 About this documentation .................................................................................................. 11
1.2 Product-specific information............................................................................................... 11
1.2.1 Target readers ................................................................................................................... 11
1.2.2 Technical Support ............................................................................................................. 12
1.2.3 Reference documents ....................................................................................................... 12
2 Description ................................................................................................................................. 15
2.1 Overview - applications and portfolio ................................................................................. 15
2.1.1 Applications and possible uses .......................................................................................... 15
2.1.2 Portfolio ............................................................................................................................. 17
2.1.3 Application examples......................................................................................................... 22
2.1.4 Detailed information about applications and possible uses ................................................. 24
2.1.5 Technical specifications ..................................................................................................... 25
2.1.6 Molded case circuit breakers and accessories in the system .............................................. 28
2.2 Ergonomic design .............................................................................................................. 32
2.2.1 The right circuit breaker for any installation conditions ....................................................... 33
2.2.2 Ergonomic design of circuit breakers, handles and control elements .................................. 36
2.2.3 Wide range of accessories ................................................................................................ 39
2.2.4 Connection technology ...................................................................................................... 41
2.3 Technical details................................................................................................................ 43
2.3.1 Circuit breaker identification............................................................................................... 44
2.3.2 Operation .......................................................................................................................... 50
2.3.3 Design and components - 3VA1 ........................................................................................ 51
2.3.4 Design and components - 3VA2 ........................................................................................ 52
2.3.5 Current limitation ............................................................................................................... 53
2.3.6 Breaking capacity .............................................................................................................. 54
2.4 Selectivity .......................................................................................................................... 56
2.5 Standards and guidelines .................................................................................................. 59
2.5.1 Compliance with standards ................................................................................................ 59
2.5.2 Electromagnetic compatibility ............................................................................................ 60
2.5.3 Certificates ........................................................................................................................ 60
2.
5.4 Ambient conditions ............................................................................................................ 60
2.5.5 Permissible mounting positions.......................................................................................... 62
2.5.6 Safety clearances .............................................................................................................. 64
2.5.7 Degrees of protection ........................................................................................................ 68
2.5.8 Environmental protection ................................................................................................... 68

Siemens 3VA1 100 A Specifications

General

Brand	Siemens
Model	3VA1 100 A
Category	Power Tool
Language	English