SENTRON 3VA Molded Case Circuit Breakers with lEC-certificate

1 ___________________ Introduction 2 ___________________ Description SENTRON Protection devices 3VA molded case circuit breakers with IEC certificate Manual ___________________ 4 Accessories ___________________ 5 Service and maintenance ___________________ 6 Technical specifications ___________________ A Appendix ___________________ B ESD guidelines ___________________ C List of abbreviations ___________________ D Conversion tables

Legal information Warning notice system This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are graded according to the degree of danger. DANGER indicates that death or severe personal injury will result if proper precautions are not taken. WARNING indicates that death or severe personal injury may result if proper precautions...

3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

3.3.2.1 3VA2 motor protection circuit breaker up to 500 A, tested according to 3.3.2.2 3VA2 motor protection breaker as tested motor protection combination, 3VA2 with 3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

4.7.3.1 Cylinder locks for implementing interlocks between multiple 3VA molded case circuit 3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

3VA molded case circuit breakers with IEC certificate

The 3VA molded case circuit breakers from the portfolio of SENTRON protection, switching, measuring and monitoring devices ensure the reliable protection of people and property as integral components of efficient power distribution systems. The product portfolio is designed for use in markets where low-voltage switchboards are installed according to IEC standards. The 3VA molded case circuit breakers are certified according to IEC 60947 and are suitable for the following applications: • Incoming and outgoing circuit breakers in distribution systems • Switching and protection devices for motors...

Target readers of this documentation The information contained in this manual is provided for the benefit of: • Cubicle manufacturers • Switchgear manufacturers • Maintenance personnel You can find further support on the Internet at: Technical Support (http://www.siemens.com/lowvoltage/technical-support) You will find further information in the following documents: Table 1- 1 Reference documents 3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

Introduction 1.2 Product-specific information 3VA molded case circuit breakers with IEC certificate

Overview - applications and portfolio This chapter provides an overview of all molded case circuit breakers in the 3VA portfolio and describes the potential areas of application for different circuit breaker models. The topics discussed in this chapter are listed below: • Applications and possible uses • Possible configurations • Detailed information about applications and possible uses • Technical specifications • Molded case circuit breakers and accessories in the system 3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

Description 2.1 Overview - applications and portfolio Applications and possible uses The two tables below show examples of possible uses and applications for 3VA molded case circuit breakers. Possible uses The 3VA molded case circuit breakers can be used in various areas where they perform different protection tasks. The following table (sorted according to breaking capacity) shows the areas in which 3VA molded case circuit breakers are used: 3VA molded case circuit breakers with IEC certificate

2.1 Overview - applications and portfolio 3VA molded case circuit breakers are used for various functions as shown in the table below: Molded case circuit breakers are primarily designed for the following applications: • Subdistribution systems • Industrial distribution systems • Final distribution systems • On-site isolation 3VA molded case circuit breakers with IEC certificate Manual, 03/2019, A5E03603177010-03

Description 2.1 Overview - applications and portfolio Portfolio The 3VA molded case circuit breakers set new standards in flexibility and the variety of modular accessories available. Standardized accessories suitable for use with several sizes of the 3VA molded case circuit breaker up to 1000 A together with quick and easy installation help to cut costs and save time. Sizes The integrated 3VA portfolio consists of two different ranges of molded case circuit breakers in twelve frame sizes. The 1600 A frame size of the 3VA2 molded case circuit breaker and the 400 A and 630 A of the 3VA1 molded...

2.1 Overview - applications and portfolio The 3VA1 molded case circuit breakers reliably perform all the tasks required for line protection. • Compact design • 1 and 2-pole versions in size 160 A; 3 and 4-pole versions in sizes 100 A, 160 A, 250 A, 400 A and 630 A • Breaking capacity of 16 kA ... 70 kA at 415 V or 110 kA, (in sizes 400 A and 630 A), 3-pole or 4-pole breakers and 36 kA at 240 V, 1-pole breakers (dependent on size) • Fixed-mounted, plug-in version • Thermal-magnetic trip units • AC/DC applications • Modular and easy-to-fit internal accessories with diverse functions • Uniform accessories...

2.1 Overview - applications and portfolio The 3VA2 molded case circuit breakers reliably perform all the tasks associated with line and generator protection. This range is designed for applications with more exacting requirements: • Increased breaking capacity • Excellent selective protection • Integrated metering function • Connection to a fieldbus communication system • Compact dimensions • Four breaking capacity classes from 55 kA ... 150 kA (at 415 V) • Fixed-mounting, plug-in technology, draw-out technology • Depending on size: Selective tripping at rated operational current difference 1...