1,Cummins 4BTA3.9-G2 2,Output: 50KW, AC 3 Phase 3,90A,CE ... We pass CE,ISO,CQC certificate. genset power range: 25-2000kva, alternator power range: 6.5-1760kw. Technical parameters ... . When there is an interruption in the commercial power supply (or there is a start signal in other ... optional system is provided with a fully automatic transfer switch, a control electric apparatus and an indicator light ...