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COSEL Power Supply, Noise Filter 2025 Product Catalog
WMA-seriesAssembling and Installation Method■To keep enough isolation between screws and internal components, the length of the mounting screw should not exceed recommendationas shown in the figure.Chassis ofcustomer systemChassis ofWMA SeriesModel Mounting screw Mounting hole a (Max penetration length)WMA35FBottom3mm maxWMA75FM3WMA100FSide5mm maxWMA150HMounting ScrewaWMA350HM4BottomSide3mm max5mm max■In order to withstand vibrations and impact, support which is shown in the figure is necessary.Chassis ofWMA seriesChassis ofWMA Terminal seriesblockTerminalblockAir flowAir flowTerminal blockTerminal blockSupportfor vibrationSupportfor vibrationWMA35F WMA75F WMA100F WMA150HWMA350H■If you use two or more power supplies side by side, please keep a sufficient distance between them to allow enough air ventilation.■Ambient temperature around each power supply should not exceed the temperature range shown in the derating curve.■The unit has cooling fan. (WMA350H)Ensure that the inlet and outlet vents are not blocked.Instruction Manual■Please read the“Instruction Manual”and“Before using our product”before you use our product.Basic Characteristics DataModelCircuit methodSwitchingfrequency[kHz]Inputcurrent[A]Ratedinput fuseInrushcurrentprotectioncircuitMaterialPCB/PatternSinglesidedDoublesidedParalleloperationWMA35FFlyback converter50 to 1200.7250V 2.5AThermistorCEM-3YesNoWMA75FFlyback converter50 to 1201.4250V 3.15AThermistorCEM-3YesNoWMA100FFlyback converter50 to 1202.0250V 3.15AThermistorCEM-3YesNoWMA150HFlyback converter50 to 1201.7/3.0250V 6.3AThermistorCEM-3YesNoWMA350H Forwrad converter653.3/6.0250V 10AThermistorCEM-3YesNoWMA-12February 2, 2026
