E1.2  E1.2 offers 1600A with breaking capacity up to 66kA and withstand current up to 50kA for 1 second. Switchgears of 66kA can be designed in units of 400mm, which are essential in places with reduced dimensions available, such as in naval and offshore installations. E2.2  E2.2 enables ratings up to 2500A to be achieved in switchgears with a width of 400mm. In addition, it provides short-circuit currents up to 100kA and withstand current of 85kA for 1 second. E4.2  E4.2 is the 4000A circuit-breaker designed for high short-circuit capacity and withstand currents up to 100kA for 1 second. E6.2  E6.2 is the top of the range model with a breaking capacity up to 150kA and a structure that allows 6300A to be reached in the switchgear, even in complex installation conditions.