title: COSEL Power Supply, Noise Filter 2025 Product Catalog

Summary

COSEL Power Supply, Noise Filter 2025 Product Catalog

GHA-seriesAssembling and Installation MethodRemarks:There is a possibility that it is not possible to cool enough when the power supply isused by the sealing up space as showing in right fi gure.? GHA300/500F-SNF!Mounting screwScrew length into power supply should be shorter than 6mm dueto keep safety isolation clearance from inside components in rightfi gure. Please fi x power supply surely by screws in consideration ofthe weight.!A cooling FAN is built-in. Please keep 30mm or more clearanceboth input and output side to make enough air ventilation. Do notblock off cooling FAN’s air fl ow for stable operation.!When power supply is used where dust exist, it may cause of FANfailure. It is recommended to install a air filter to the system air ventilationduct.Mounting screwAir flow30mmor moreInputChassis ofcustomer systemScrew M430mmor moreOutputAir flow6mm max30mmor moreInputFANChassis of power supply30mmor moreOutputCaseAir flow(A) (B) (C)Power supply!The mounting screw should be M3. The hatched area shows the allowance of metal parts for mounting.!If metallic fi ttings are used on the component side of the board, ensure there is no contact with surface mounted components.!This product uses SMD technology. Please avoid the PCB installation method which includes the twisting stress or the bending stress.? GHA300/500F ? GHA700F8830mmor moreInputOutput30mmor more*The center of f7mm is the same point as the center of the mounting hole.888 88 8f7f7CN101888CN1f7f7888Unit [mm] 88Unit [mm]Derating!Cooling methodConduction cooling, forced air and convection cooling are available for GHA500F and GHA700F. Both Forced air and convection coolingare available for GHA300F. Please see instruction manual 3 for details. Please make sure the maximum component temperature rise givenin instruction manual 3 is not exceeded.? GHA300/500F? GHA700F1001009090Load factor [%]8070Load factor [%]807570GHA6060090 115Input Voltage [V]*For maximum power in each cooling method, please apply.? 713 ?085 115Input Voltage [V]*For maximum power in each cooling method, please apply.GHA-13