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
