Summary
COSEL Power Supply, Noise Filter 2025 Product Catalog
AC-DC Power Supplies Medical TypeInstruction ManualTable 3.1 Life ExpectancyAverage ambient Life ExpectancyMounting Cooling method[years]temperature Io[50% Io[100%Ta = 30C 10 7All Forced air coolingTa = 40C 7 5direction (internal fan)Ta = 50C 5 3*This lifetime includes a built-in fan lifetime.■The life expectancy time (R (t) = 90%) of the built-in fan dependson the operating condition as shown in Fig. 3.1.500,000■WarrantyThe maximum warranty period is 5 years as shown in Table 3.2.MountingAlldirectionCooling methodForced air cooling(internal fan)4 GroundTable 3.2 WarrantyAverage ambientWarranty [years]temperatureIo[50%Io[100%Ta = 40C55Ta = 50C53Life expectancy [H]100,000TerminalblockTerminalblockTerminalblock10,00020 30 40 50 60 70 80Temperature of measurement point [C]Fig.3.1 Life expectancy of fanPower supply(Top)Power supply(Side)Fig.3.2 Temperature of measurment point for fan lifetime(PJMA300F, PJMA600F)Power supply(Top)AIR FLOW20mmAIR FLOW20mmAIR FLOW20mmAIR FLOWPower supply FTerminal(Side) ANblock20mmFig.3.3 Temperature of measurment point for fan lifetime (PJMA1000F, PJMA1500F)FANFANFANFANMeasurement pointMeasurement point■When installing the power supply, make sure the FG terminal andthe chassis (at more than 2 places) are connected to the safetyearth ground.5 Options and Others5.1 Outline of Options●?C-With the ?C option, the internal PCB has a conformal coating foranti-humidity.●?G-With the ?G option, the leakage current of the power supply isreduced.-The differences between the option ?G models and the standardmodels are shown below.Table 5.1 Low leakage current typePJMA300F, PJMA600F, PJMA1000F, PJMA1500FLeakage Current0.1mA max(AC240V 60Hz)Conducted NoiseN/APlease contact us for details about RippleOutput Ripple NoiseNoise* This is the result of measurement of the testing board with capacitorsof 22μF and 0.1μF placed at 150 mm from the output terminalsby a 20 MHz oscilloscope or a ripple-noise meter equivalentto Keisoku-Giken RM104.●?V-With the ?V option, the power supply comes with an externalpotentiometer connector instead of a built-in potentiometer.-The appearance of the ?V models is different from that of thestandard models. Contact us for more details.-Note that if the power supply is turned on with CN3 open, theoutput voltage will make a big drop.PJMA-15May 09, 2025