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300W Painted Type High Power Wire Wound Resistor Ripple Braking

Categories Power Wirewound Resistor
Brand Name: ZENITHSUN
Model Number: DQR2
Certification: RoHs
Place of Origin: Shenzhen,China
MOQ: 10pcs
Price: USD2.00-USD32.00
Payment Terms: T/T, L/C, D/A, D/P, Western Union,paypal
Supply Ability: 10000pcs/week
Delivery Time: 5-8 working days
Packaging Details: cartons /wooden case
Rated Power: 15W-20KW
Resistance: 0.1Ω - 100KΩ
Tolerance: ±1%.±5%,±10%
Colour: Green
Leading out: Taps/Termianls
Inductance: non-inductive / inductive
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300W Painted Type High Power Wire Wound Resistor Ripple Braking

300W Painted Type High Power Wirewound Ripple Braking Resistors


Structure:

1.The high temperature resistance ceramic tube is used as the resistance matrix,is wound with chrominum alloy wire ,then coated with high temperature & non-flammable resin for protection to let resistors with better appearance and heat dissipation effect,after natural drying,baking at different temperatures before assembly.

2.Different assembly & fitting available,different styles of mounting brackets

3.Single unit with multi-resistance/ Multi-terminals also available;

4.Non-inductive & variable type on requests;

5.Working voltage and Nominal resistance value are related to Ohm’s law.


Features:

1.These resistors are suitable as loading resistor,braking resistor,capacitor discharge,resistive load simulation,machinery,

machinery and equipment higher power application.
2.In different applications,called ceramic wirewound resistors,ceramic tube resistors,high power resistors,ripple resistors,braking resistors,charge resistor,discharge resistors,dump load resistors,current limiting resistors, burn-in resistors or load resistors,ect.
3.Resistance adjustable version is available:DSR series .
4.Resistance box and load bank available with power up to 2000kW.
5.Support precision resistance tolerance requirement.


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 Testingstore 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 frequency converter, elevator,hoisting,ship,electric power,welding,power supply,military industry,aviation,wind power generation,solar power generation,generator test load,automation equipment,railway system and other industries .


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