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3VA9211-0WK30 西门子断路器 3VA
西门子断路器 3VA |
西门子断路器 3VA |
西门子断路器 3VA |
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