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L&G lgSwitch series RHEOSTAT adjustable resistor used in applications that require the adjustment of current or the varying of resistance in an electric circuit. The rheostat can adjust generator characteristics, dim lights, and start or control the speed of motors. Its resistance element can be a metal wire or ribbon, carbon, or a conducting liquid, depending on the application. For average currents, the metallic type is most common; for very small currents, the carbon type is used; and for large currents, the electrolytic type, in which electrodes are placed in a conducting fluid, is most suitable. A special type of rheostat is the Potentiometer, an instrument that measures an unknown voltage or potential difference by balancing it, wholly or in part, by a known potential difference. A more-common Potentiometer is simply a resistor with two fixed terminals and a third terminal connected to a variable contact arm; it is used for such purposes as a volume control in audio equipment.
Product Name : RT Rheostat Control the electrical resistance of a circuit without interrupting the flow of current. The rheostat is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle. Can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, respirators, dental and model trains or other applications that require high voltage and current. |
Rotary Variable Resistance /Adjustable Load Resistor/Slide Rheostat
Production name | RT variable resistor,variable wirewound resistor ,power Potentiometer | ||
Power rating | 12.5W-3000W | ||
Resistance value | 1Ω-10KΩ | ||
Resistance tolerance | ±5%,±10% | ||
Features | 1.High power rating,resistance to humidity, resistance value in great adjustable range. 2.Widely used in educational modeling,load simulations,industiral machinery RPM adjustment, voltage and current adjustment,instruments,and automated control installations, ect. 3.Can provide the knob with customers requirement. | ||
Common specification | 12.5W,25W,50W,100W,150W,300W,500W ect. | ||
Performance | Test 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 DC 60s Between terminal and axis | Free or appearance or structural irregularity | |
Terminal strength | JIS-C-5261 6-5 3kg 30s | Free or appearance or structural irregularity ΔR≤±(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 ΔR≤±(2%+0.1Ω) | |
Load life | JIS-C-5261 7-7 | Free or appearance or structural irregularity ΔR≤±(5%+0.1Ω) | |
Full gyration angle | JIS-C-5261 6-1 | 300±5°C | |
Flame retardation | 100%-600% rated power load | US UL-94 flame retardation test V-0 grade noncombustible | |
Cooperation partner | SAMSUNG,LG, TAIDA,CHANGHONG,TCL,KONKA ,ECT | ||
NOTE | 1. 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. |
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