AE4000-SW 3P DO 4000A Circuit-breaker; In max=4000A; Icu=Ics=130kA at AC 500V; with relay base; 5a5b

Low-voltage air circuit breakers can be used as the main circuit breakers of power distribution systems for buildings, factories, ships, and more to realize high-level circuit monitoring and friendly networking.
Mitsubishi Electric?s compact Super AE units come in a broad spectrum of performance categories from 1000 to 6300 Amps. The basic unit is available as a fixed or ?draw out? design, which can be augmented with options for enhanced overload control, network and energy consumption.