... Mains C.B. control with feedback and return timerl Sealed to IP65. Parameters: Voltmeter, frequency meter, Ammeter, output(kw ... /kva), hourmeter, oil pressure, water temperature, Engine speed, mains frequency, battery voltage ... phase Generator protections: Over-/under voltage, Over-/under frequency, Current/voltage asymmetry, Overcurrent/overload.2) 3 ...