西门子S7-200SMART数字量输入/输出模块EMDT16

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