Siemens Air Circuit Breaker

Siemens Air Circuit Breaker

3WL air circuit breakers are used as incoming-feeder, coupler, and outgoing-feeder circuit breakers in electrical systems in industry, buildings, and infrastructure applications. They have communications capability and can be easily integrated into higher-level control and energy management systems.


ACB 3200 A

3WL air circuit breakers are available in four sizes, each featuring a 3- and 4-pole design, and cover a power range from 630 A to 6,300 A. The modular portfolio offers flexibility and provides for easy assembly and subsequent adjustment.

3WL air circuit breakers – versatile and flexible
Five power levels of the short-circuit breaking capacity for all applications
Available as circuit breakers and non-automatic circuit breakers in an AC version
Available as a circuit breaker in a DC version
Modules can be specially retrofitted for electronic trip units
Different connection technologies
Connection option of external input and output modules
High security standards thanks to hardware protection and signed firmware

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