Category Parameter name HD22005-3A HD11010-3A input characteristics Input voltage 323V to 475V (three-phase three-wire) 323V to 475V (three-phase three-wire) input current ≤ 4A ≤ 4A AC input frequency 45Hz ~ 65Hz 45Hz ~ 65Hz Efficiency ≥ 90% ≥ 90% input power factor ≥ 0.94 ≥ 0.94 Output characteristics Output voltage range 176V ~ 320V 87V ~ 160V 5.5A 11A soft start time to 8 seconds to 8 seconds of rated output current 5A 10A maximum output current output current range of 10% to 110% 10% to 110% (20% of the steady flow accuracy limiting) ≤ ± 1% ≤ ± 1% ripple coefficient ≤ 0.1% ≤ 0.1% regulation accuracy ≤ ± 0.5% ≤ ± 0.5% current imbalance ≤ ± 5% (50% to 100% of rated load) ≤ ± 5% (50% to 100% of rated load) Audio noise <55dB <55dB protection features output short circuit retraction retraction current ≤ 40% rated current from the recovery Output Overvoltage protection 325 ± 5Vdc 165 ± 5Vdc input over-voltage point 482 ± 6Vac restore point 460 ± 15Vac input undervoltage protection - 316 ± 6Vac recovery point 335 ± 10Vac protection features the phase protection recoverable over temperature protection point of 85 ° C recovery point 75 ° C fan temperature control fan start point of 55 ° C, stalling point 38 ° C Safety insulation resistance test voltage 1000VDC, input, output end of the housing and between the input to output insulation resistance between the> 10M insulating strength of the input of the output applied to the input / output terminal between the shell side shorted 50Hz, the effective value of 2000V AC voltage for 1 minute, without breakdown or flashover EMC Electrostatic discharge immunity requirements of IEC6100-4-2???? ? Level 3 Electrical fast transient burst immunity requirements of IEC61000-4-4???? Level 3 Surge immunity requirements of IEC61000-4-5???? Level 3 conducted disturbances induced by radio-frequency fields. interference requirements of IEC61000-4-6???? Level 3 work frequency magnetic field immunity requirements IEC61000-4-8???? the Leve voltage dips, short interruptions and voltage gradient immunity requirements IEC61000-4- 11??? dips and interrupts: 0 to 70% U Environmental parameters Operating temperature -10 ° C to 40 ° C Storage temperature -25 ° C to 55 ° C Relative humidity ≤ 95% Atmospheric pressure 70 to 106kPa mechanical parameters Size (L × W × H) 413mm x 110mm x 257mm Weight 6kg cooling the air-cooled, dust-proof design