27Appendix B: MXHF SpecificationsELECTRICALAC Input Single or Three PhaseVoltage Range 175-300VAC, or 340-530VAC (Three Phase Only)Frequency Range 45-65Hz ± 5%DC Output 60, 120, 150, or 180 ADC24, 36, or 48VDCOutput Filtering <2mVRegulation ± 0.05% from no load to full load over the specified input voltage, frequency andambient temperature range.Meters LCD Digital DisplayPROTECTIONCurrent Walk-In Delay 6 seconds to full output (Varies with DC Output Voltage)Current Limit Adjustable 0 - 100% of the rated DC output current.Over Temperature Automatic current limit with backup shutdown protectionPolarity Reversal Output fuse protectedOver Voltage Adjustable limitEmergencyRestorationThe battery charger may be connected to a battery which is heavily discharged andrecharge it without clearing any protective devices.ENVIROMENTALOperatingTemperature 14 to 158˚F (-10 to 70˚C) max. output power is de-rated above 122˚F (50˚C)StorageTemperature -4 to 158° F (-20 to 70° C)Relative Humidity 5 to 95% (non-condensing)Cooling Fan controlShockThe battery charger in its shipping container withstands shock developed when oneedge of the container is dropped six inches while the opposite edge is resting on theground, or it is dropped two inches without any physical damage or degradation ofthe electrical performance.Vibration The battery charger in its shipping contained, withstands vibration encountered inshipping without physical damage or degradation of the electrical performance.Altitude This battery charger is capable of operation at altitudes up to 8,200 feet at anambient temperature of up to +40 degrees C.Ventilation The unit should be mounted so that ventilating openings are not blocked and airentering the cabinet does not exceed 50 degrees C (122 degrees F).