Open circuit breaker for system protection in accordance with EN 60947-2 (DIN0660, Part 101), Open load-break switch in accordance with EN 60947-3 (DIN0660, Part 107). The Emax 2 open circuit breakers/load-breakers meet the different system requirements of direct and alternating current networks. Emax 2 can be used to protect energy distribution systems, cables, generators, motors and reinforced neutral conductors. All Emax 2 circuit breakers can be equipped with communication modules that enable connection to the Modbus RTU, Profibus, DeviceNetT, Modbus TCP, Profinet, Ethernet/IPT and IEC 61850 protocols. The protection releases are available in DIP switch and touch display versions. The rated current can be adjusted using a rated current module (rating plug). The power connections can be oriented horizontally or vertically. Comprehensive connection conversion kits, mechanical and electrical accessories are available for the fixed and extendable versions.