Ceramic Tray 50 Watt Rheostat Potentiometer Wirewound Variable
50Watt Ceramic Tray Wirewound Variable Rheostat /Potentiometer
Structure :
1.BCI series Variable Rheostat is wound with copper or chromium-alloy wire as a resistance element. Except for the slide contact surface,the entire component is coated with a high-temperature,non-flammable resin.After cooling and drying, insulation is applied through a high-temperature process.
Then a centered rotatingadjuster component is installed,which slides along the resistance element and varies the resistance to the desired value.
2.Single unit with multiple winding resistance values is available.
3.Different ceramic raw material & knobs,made-to-order rheostats available.
4.The product range covers a wide field, from flat,round- and wire wound resistors
5.Dimensions for reference only; consult us for details.
Features:
1.Variable resistors are often called varistors or potentiometers.Variable BCI may used as a rheostat with two connections,(the wiper and just one end of the track )or as a potentiometer with all three connections in use.
2.On one rheostat,can have the different resistance requirement(flat and round wire can be in same rheostat).
3. High power rating,resistance to humidity, resistance value in great adjustable range.
4.Motor controller also use BCI series as rheostat or potentiometer to control the speed of a by limiting the flow of current through them.
5.Any 3-terminal potentiometer can be wired as a rheostat by connecting to one end of the resistive track and to the wiper. It is best practice to connect the wiper together with the other end of the resistive track.Doing this prevents circuit interruption in case the wiper loses connection with the resistive track and also reduces noise during adjustment.
Specification
| Performance Charactertics | ||
| Test | Conditions of Test | Testing Results |
| Resistance Tolerance | Testing Voltage ≤3V,Ambient Temperature 25℃ | B---D---F---G---J--K |
| Rated Load | 40℃,rated voltage,1hour | △R≤±(3％+0.1Ω) |
| Short Time Overload | 5 times rated power for 10s | △R≤±(0.2％+0.1Ω) |
| Dielectric Withstand Voltage | 2 times Rated Power Voltage +1kv AC 60s (with grounding), leakage current 2.5mA ; 2 times Rated Power Voltage +2kv AC 60s (with grounding), leakage current 2.5mA ; |
△R≤±(0.1％+0.05Ω) |
| Insulation Resistance | 500V DC | ≥10GΩ1Min |
| Terminal Tensile Strength | 40N | No off |
| Vibration resistance | 1.5mm,10-55-10Hz,each 2hours | No damage,No off |
| Load Life | at rated voltage,90 min "On",30 min "Off" ,total 500hours | △R≤±(3％+0.1Ω) |
| Low Temperature Resistance Testing | store at -65℃±3℃ for 2H | △R≤±(1%+0.1Ω) |
| High Temperature Resistance Testing |
store at 70 ℃± 2 ℃ for 16h, connect the rated voltage |
△R≤±(1%+0.1Ω) |
| Non-flammability | 10 times rated power, power on for 5s | without combustion |
Applications:
Widely Widely used in the scope of the application includes:
1.Mixer,fan,and electric tools.
2.Motor controller to control motor speed.
3.Test the instrument to provide data accuracy.
4.Load test,load equipment,speed regulation of industrial machinery,voltage and current regulation, instruments, automatic control devices,etc.
Products Image
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.