E2 Mining Service Breakers State-of-the-art E2 mining service breakers incorporate the rigid specifications and testing procedures developed by a focus group led by engineers from several large coal companies and Eaton design engineers. Additionally, the performance of these breakers was proven and verified during hundreds of hours of field testing in harsh mine environments. E2 mining breakers are available in 600 Vac, l000Y/577 Vac and 1200 Vac. Interchangeable trip units can be used on either 600 or 1000 Vac frames. Agency advantages supply the following brands: ①Allen-Bradley( Rockwell Automation)Series ②Square D(Schneider Electric) Series ③Eaton - Cutler Hammer (Westinghouse )Series ④SIEMENS PLC Series,Siemens CNC system ⑤Eaton moller Series