SACE Emax 2 is a series of low voltage air circuit-breakers up to 6300 A. The SACE Emax 2 range is made up of 4 sizes: E1.2, E2.2, E4.2 and E6.2 up to 6300A. E1.2 offers 1,600A with breaking capacity up to 66kA and withstand current of 50kA. E1.2 offers 1,600A with breaking capacity up to 66kA and withstand current of 50kA. E4.2 is the new 4,000A circuit-breaker designed with a withstand rating of 100kA. E6.2, with an interrupting rating of 200kA and a structure that allows 6,300A to be reached.