-1- h hitron 2013/1/16 universal input harmonic correction (pfc) ac-dc medical & ite application external desktop switching adapter 200-250 watts green power single output HEMP252G series specification input specification input voltage: typical 90-264vac with pfc. input connector: 3 pole ac inlet iec320-c14(dt7) input frequency: 47-63hz. inrush current: 15.8arms at 230vac input current: typical 1.95a at 115vac typical 1.05a at 230vac dielectric withstand: meet iec60601-1 & iec60950-1. emi: meet en55011 & en55022 fcc class b. hold-up time: typical 25ms at 115vac and 230vac. power factor & ha rmonic correction: meet iec 61000-3-2, pf typical 0.96-0.99 at full load. over temp. protection: installed by ntc. earth leakage current: less than 0.3ma. no load power: less than 0.5w at 230vac. features: ? accommodate universal ac input ? no load power consumption <0.5w ? meet medical standards iec60601-1 & ite standards iec60950-1 ? emi meet en55011 & en55022 / fcc class b ? meet universal safety standards ? ce marking compliance output specification output voltage: see ratings chart. output current: see ratings chart. output wattage: 200-250watt. (see input voltage derating). output connector: optional. line regulation: typical 0.1%. load regulation: typical 3 %. noise & ripple: typical 1% peak to peak. ovp: built-in. (latch) adjustability: not available. overload protection (olp): fully protected against output overload and short circuit. olp set at about 110-150% rating output wattage. consult the factory for olp setting. general specification efficiency: typical 88-94% (various with output voltage). switching frequency: 85-100khz circuit topology: half-bridge zvs circuit. transient response: output voltage returns in less than 1ms following a 25% load change. safety standard: meet medical iec60601-1 & ite iec60950-1 class i. operating temperature: 0 to +40c. storage temperature: - 20 to +85c. cooling: free air convection. construction: impact resistant plastic enclosure case. power density: 3.62-4.54watt/cubic inch. desktop format. note: (1) all measurements are at nominal input , full load, and +25c unless otherwise specified. (2) load regulation is measured at 115vac or 230vac in percentage indicate the change in output vo ltage as the load varied from half load to full load( ? %) (3) the exact obtainable load regulation depends upon the output cord selected and load current. (4) due to requests in market and advances in tec hnology, specifications subject to change without notice (5) derating is needed under low input voltages 90-110vac. please refer to the input voltage derating for more details. in application.
-2- output voltage/current ratings chart single output o/p current model no. ac inlet o/p voltage typical max. peak HEMP252G-s120167-7 iec320-c14(dt7) 12vdc 16.7a 16.7a 20.0a HEMP252G-s240104-7 iec320-c14(dt7) 24vdc 10.4a 10.4a 12.0a hemp250g-s480052-7 iec320-c14(dt7) 48vdc 5.2a 5.2a 6.0a remark: for led indicator, add suffix ?(a)? to model number. mechanical dimensions: mm [inches] weight: 1216.5g (42.91oz) input voltage derating
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