Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F GHA700F Function Function GHA-17 GHA-24 Input voltage range Input voltage range GHA-17 GHA-24 Inrush current limiting Inrush current limiting GHA-17 GHA-24 Overcurrent protection Overcurrent protection GHA-17 GHA-24 Overvoltage protection Overvoltage protection...
Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F Remarks : 1 Function Please avoid applying a voltage exceeding the rated voltage to an output terminal. Doing so may cause a power supply to malfunc- tion or fail. If you cannot avoid doing so, for example, if you need 1.1 Input voltage range...
Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F 1.8 Isolation Please evaluate carefuly and test for any possible failure modes. ¡ Hot-swap or Hot-plug is not available. ¡ For a receiving inspection, such as Hi-Pot test, gradually increase (decrease) the voltage for the start (shut down). Avoid using Hi-...
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Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F -Mounting surface will be very hot during the operation ,so please be careful not to touch the surface. (Pomax:360W) -GHA500F series can achieve the efficient heat dissipation by (A) - (F) mounting combining Conduction cooling and Forced air cooling.
Forced air A,B,C,D,E,F ¿ –J1 Ta = 50C 10years or more 10years or more ¡ Option -J1 models, the connector is J.S.T connector. Table 4.2 Life Expectancy (GHA300F- ¿ –J2 (R3 or SNF to be combined) Life Expectancy Cooling Mounting...
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¡ Alarm of a unit may be damaged. -Table 6.2, see Fig 6.2 the internal structure circuit explaining * GHA300F-SNF : 10V the operation of the PG alarm. Table 6.3 Specifications of remote ON/OFF Table 6.2 Description of the alarm Fig.6.3 RC circuit example...
Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F * If the output of an external power supply is within the range of 20mm 4.5 - 12.5V, you do not need a current limiting resistor R1. If the output exceeds 12.5V, however, please connect the cur-...
Instruction Manual AC-DC Power Supplies Medical Type GHA300F, GHA500F 6.3 Extermal capcitor on the output side ¡ When the load currnet changes rapidly, for output stability im- provement, we recommend that you connect the capacitor to the output terminal. Tabel 6.5 External capacity on the output recommended capacity [μF]...
Doing so may cause a power supply to malfunc- tion or fail. If you cannot avoid doing so, for example, if you need to operate a motor, etc., please install an external diode on the output terminal to protect the unit. GHA-24 www.cosel.co.jp/en/ February 17, 2023...
Please ensure fail safe function of [ the rated current value your product, and consult us for more details. Please evaluate carefuly and test for any possible failure modes. ¡ Hot-swap or Hot-plug is not available. GHA-25 February 17, 2023 www.cosel.co.jp/en/...
Ta = 40C or less 5years 5years A, B, C, Forced air D, E, F Ta = 50C 5years 3years * W arranty with conduction cooling is three years at the highest point of the temperature measurement. GHA-26 www.cosel.co.jp/en/ February 17, 2023...
¡ Alarm Output on SW close (3mA min) SW Logic -Table 6.2, see Fig 6.1 the internal structure circuit explaining Output off SW open (0.1mA max) the operation of the PG alarm. Optional harness H-SN-79 GHA-27 February 17, 2023 www.cosel.co.jp/en/...
Tabel 6.4 External capacity on the output recommended capacity [μF] Recommended Output Voltage Model capacity [μF] GHA700F-24 22.8[Vo[26.4 0 to 1,800 GHA700F-30 28.5[Vo[33.0 0 to 1,200 GHA700F-48 45.6[Vo[52.8 0 to 330 GHA700F-56 53.2[Vo[61.6 0 to 270 GHA-28 www.cosel.co.jp/en/ February 17, 2023...
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