... return time: ≤4s16) Voltage modulation: ≤0.3%17) Standard configuration of gensets: a) Engine: Deutz, Perkins, Steyr, Cummins series produced ... is over temperature, the oil pulls down, over speed, over load and over current b) Operation display: i) Unit voltage, ... tri-phase load current and frequency display ii) Water temperature, oil pressure display ...