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ProductionnameBC1 Around Adjustable Rheostat,Variable Resistor,Wirewound Resistor Power rating25W-3000W Resistance value1Ω-10KΩ Resistance tolerance±5%,±10% Features1.High power rating,resistance to humidity, resistance value in great adjustable range. 3.Widely used in educational modeling,load simulations,industiral machinery RPM adjustment,voltage and current adjustment,instruments,and automated control installations, ect. 4.Can provide the knob with customers requirement. Commonspecification25W,50W,100W,150W,300W,500W,1000W,1500W,2000W,2500W,3000W ect. PerformanceTest item Test condition performance Insulation resistance JIS-C-5261 6-1 500V DC 100 MΩ Min Dielectric withstanding voltage JIS-C-5261 7-1 1000V DC60s Between terminal and axisFree or appearance or structural irregularity Terminal strength JIS-C-5261 6-5 3kg 30s Free or appearance or structural irregularity R≤±(2%+0.1Ω) Vibration JIS-C-5261 6-6 1.5m/m 10-50-10 HZ/min 2H each Free or appearance or structural irregularity R≤±(2%+0.1Ω) Load life JIS-C-5261 7-7 Free or appearance or structural irregularity R≤±(5%+0.1Ω) Full gyration angle JIS-C-5261 6-1 300±5 Flame retardation 100%-600% rated power load US UL-94 flame retardation test V-0 grade noncombustible Cooperation partnerSAMSUNG,LG, TAIDA,CHANGHONG,TCL,KONKA ,ECT NOTE1. For customer specifications,please contact us to discuss the details. 2. Different power rating owning multi weight ,dimension and packing . 3. More details, please contact us.