The new 3VA circuit breakers set new standards in terms of flexibility and variety of modular accessories. Standardized accessories suitable for use with several sizes of circuit breaker from all the 3VA ranges help to cut costs and save installation time.

3VA IEC molded case circuit breakers: overview

3VA1 molded case circuit breakers

The new 3VA1 molded case circuit breakers reliably perform all the tasks required for line protection and starter protection.

Features

The key features of the 3VA1 series are:

• Compact design

• Depending on size: 1-pole to 4-pole versions

• Fixed version, plug-in version

• Thermal-magnetic trip units

• AC/DC applications

• No derating up to +50 °C

• Modular and easy-to-fit internal accessories with diverse functions

• Uniform accessories platform across all 3VA molded case circuit breakers

3VA2 molded case circuit breakers

The new 3VA2 molded case circuit breakers reliably perform all the tasks required for line protection, generator protection, motor protection and starter protection.

This series has been developed for applications with inceased requirements:

• Increased breaking capacity

• Very good selective protection response

• Integrated measurement function

• Connection to a fieldbus communication system

Features

• Compact design

• 3 and 4-pole versions

• Fixed-mounting, plug-in technology, draw-out technology

• Depending on size: Selective protection response at rated operating current interval 1: 2.5

• Electronic Trip Units

• Retrofit communication for ETU 5-series and 8-series

• Depending on the ETU: Integrated measurement function

• AC applications

• No derating up to +50 °C

• Modular and easy-to-fit internal accessories with diverse functionsUniform accessories platform across all 3VA molded case circuit breakers

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