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500Watt Power Wire Wound Rheostat Cement Coated Ceramic Variable With Knob

Categories Wire Wound Rheostat
Brand Name: ZENITHSUN
Model Number: BCI
Certification: RoHs
Place of Origin: Shenzhen,China
MOQ: 20pcs
Price: USD30.00-USD50.00
Payment Terms: T/T, L/C, D/A, D/P, Western Union,paypal
Supply Ability: 10000pcs/week
Delivery Time: 10-12 working days
Packaging Details: cartons /wooden case
Rated Power: 500W
Resistance: 3Ω - 5KΩ
Tolerance: ±20%
Product colour: Green
Coating: Cement Coated
Wire Type: flat or round
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500Watt Power Wire Wound Rheostat Cement Coated Ceramic Variable With Knob

500Watt Cement Coated Ceramic Variable Wire Wound Power Rheostats with knob resistor with enclosure


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.
2.Then a centered rotatingadjuster component is installed,which slides along the resistance element and varies the resistance to the desired value.
3.Single unit with multiple winding resistance values is available.
4.Different ceramic raw material & knobs,made-to-order rheostats available.
5.The product range covers a wide field, from flat,round- and wire wound resistors
6.Dimensions for reference only,consult us for more 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 resistor ,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.For non-standard technical requirements and custom special applications,please contact us to discuss the details.


Specification

Performance Charactertics
TestConditions of TestTesting Results
Resistance ToleranceTesting Voltage ≤3V,Ambient Temperature 25℃B---D---F---G---J--K
Rated Load40℃,rated voltage,1hour△R≤±(3%+0.1Ω)
Short Time Overload5 times rated power for 10s△R≤±(0.2%+0.1Ω)
Dielectric Withstand Voltage2 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 Resistance500V DC≥10GΩ1Min
Terminal Tensile Strength40NNo off
Vibration resistance1.5mm,10-55-10Hz,each 2hoursNo damage,No off
Load Lifeat rated voltage,90 min "On",30 min "Off" ,total 500hours△R≤±(3%+0.1Ω)
Low Temperature Resistance Testingstore at -65℃±3℃ for 2H△R≤±(1%+0.1Ω)
High Temperature Resistance Testing

store at 70 ℃± 2 ℃ for 16h, connect the rated voltage
DC circuit for 1s

△R≤±(1%+0.1Ω)
Non-flammability10 times rated power, power on for 5swithout combustion

Applications:
Widely used in blenders,mixers,fans,power tools,educational modeling,load simulations,industrial machinery RPM adjustment,voltage and current adjustment,instruments,and automated control installations,etc.


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