... supply for control and light. Reference:KPH80 KPL125, KPL135, KPL165, KPM120, KPL300-(3)et.2) Engine starting on locomotive. Reference: KPX170 ... for railway signaling and telecommunications; And KM45P, KPH20, KPM40-(7), KPM120-(4) etc. Are applied as emergency power supply for air ...