Product Name: Toroidal Transformer Step Down Transformer Power Transformer Model NO.: OKD step down transformer Brand: Okerda Shape of Core: Ring Frequency Characteristics: Low Frequency Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer Certification: ISO9001-2000, UL, ISO9001, CCC Winding Type: Auto-transformer Cooling Method: Dry-type Transformer Core: Core-type Transformer Phase: Single Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio, UPS Transformer Type: Toroidal Transformer Ring Type Transformer for Equipment: Low Rise High Efficiency Toroidal Transformer Transformer Specification: 12V 15V 24V 220V 230V 240V Isolating Transformer: Waterproof Transformer Main Application: Toroidal Step Down Transformer for UPS Trademark: OEM Transport Package: Carton on Pallet Specification: core and copper Origin: China HS Code: 8504319000 Product Description Toroidal Transformer Step Down Transformer power transformerFeatures:1) Customized Input & output2) Low Frequency: 50Hz/60Hz3) High efficiency Lighting Range4) Low no-load losses5) Low mechanical hum6) Low magnetic leakage7) High efficiencyApplications:1. Used for UPS;2. Inverter Welding Machine;3. High Power Charger Power Supply;4. Electric Vehicle Charging Equipment;5. HighefficiencyPower Supply;6. Switching Power Supply;7. LED Power Supply.PARAMETER FOR YOUR REFERENCEModel NumberPower(VA)Adjusting Rate(%)Efficiency(%)Exterior Dimension(mm)Weight(kg)Installing Aperture(mm)Screw(mm)Height(A)Exterior(B)OKD-1515207325650.38Φ6.5M6OKD-303016.576.630780.6Φ6.5M6OKD-505015.282.435820.85Φ6.5M6OKD-808012.684.738881.1Φ6.5M6OKD-10010011.286.545931.5Φ8.5M8OKD-1201209.688421151.6Φ8.5M8OKD-1501507.288.1471031.9Φ8.5M8OKD-1601606.688.6421182.1Φ8.5M8OKD-2002006.189.7481202.4Φ8.5M8OKD-2502505.590.3501272.9Φ8.5M8OKD-3003005.291.7551273.2Φ8.5M8OKD-4004004.693561464.5Φ8.5M8OKD-5005004.094571475.0Φ8.5M8OKD-6006004.195721556.7Φ8.5M8OKD-7007003.895821628.9Φ8.5M8OKD-8008003.895.1721708.2Φ8.5M8OKD-100010003.395831639.5Φ10.5M10OKD-120012002.996.28516511.00Φ10.5M10OKD-150015002.9969017013.00Φ10.5M10OKD-200020002.89610518015.6Φ10.5M10OKD-300030002.59711021022.3Φ10.5M10OKD-350035002.49711524525.2Φ13.5M13OKD-400040002.39713026031.5Φ13.5M13Winding ProcessTesting process1. No-load test (included no-load voltage, no load current and no load loss);2. Inductive voltage test;3. Load test (load voltage and temperature rise;4. Temperature rise test;5. Insulated resistance;6. Hi-pot test;7. Leakage inductance test;8. DC resistance test;9. Surface inspection.Production LineOur Advantages:1.20 years experience in transformer and inductor manufacturing;2.Scientific management system, strong technical team, and strict quality control system;3.RoHS,CE,TUV andUL certified;4.OEM & ODM;5.Competitiveprice,in time delivery and perfectafter-service online.