... Low noise 4, Long life Model : PI4813361HB2M-A SPECIFICATIONBearing System2 Ball BearingRated Voltage48VDCOperating Voltage36~56VDCStarting Voltage36VDCInput Current0 ... 5V, 2 Pulses/RevAuto RestartYesAlarm OutputNoNoise Level65 dB(A)Lead Wire UL, AWM1007, AWG20#, 500mmConnectorNoAmbient ... hours continuous operating at 25°CInsulation class"A"Operation modeContinuous operation (S1)Type of protectionIP ...