RX20 2000W Porcelain Tube Winding High-performance Braking
Wirewound Resistor
The 2KW ceramic tube resistor features a special corrugated
structure that not only increases the heat dissipation area but
also effectively disperzes heat, significantly enhancing the
resistor's heat dissipation capacity and operational stability.
Product structure and material
The 2KW corrugated ceramic tube wire-wound resistance structure
adopts corrugated ceramic tubes as the base material, and the
resistance wire is wound on the ceramic tubes, which has excellent
mechanical strength and temperature resistance performance.
High power carrying capacity
The 2KW corrugated ceramic tube wound resistor is specially
designed for high-power applications. Its superior heat dissipation
structure ensures reliable operation of the resistor even under
full load, without the need to worry about overheating or
performance drift.
Excellent heat dissipation effect
The corrugated structure design greatly increases the heat
dissipation area, promotes air circulation and heat dissipation,
ensures stable temperature during continuous operation, and extends
the service life.
High reliability and stability
It is made of high-quality ceramic substrate and copper wire
winding to ensure long-term stable resistance value without drift,
and is suitable for industrial environments with high requirements
for electrical performance.
High temperature resistance and impact resistance
The 2KW corrugated porcelain tube winding resistor can be used
normally in high-temperature and vibration environments, and is
particularly suitable for industrial equipment and heavy-duty
occasions.
Diverse resistance values and specifications
It offers a variety of resistance value specifications to meet the
regulation, load and matching requirements of different systems.
Easy to install and maintain
Standard size design, equipped with reliable terminal connections
for convenient installation and disassembly. Meanwhile, it has a
compact structure and is convenient for maintenance and
replacement.
Industrial Control and Automation
It is used as a regulating and load component in applications such
as frequency converters, motor speed regulation, and load
simulation.
Electronic testing equipment
As a precision load or matching device, it is used to test the
performance and performance stability of equipment.
Heat dissipation and energy dissipation
In the power supply system, as an energy dissipation device, it
ensures the stable operation of the system.
Performance Test
| Test conditions | Performance |
Temperature coefficient | There sistance value is measured at room temperature and at room temperature +100℃ respectively and the resistance change rate of each degree is calculated. | ±350ppm/℃ |
| Apply avoltage of 10 times the rated power or the maximum load voltage(take the smaller value). | △R≤± (2%+0.052) |
Resistance to welding heat | Immerse in a tin furnace at 350±10%℃ for 2-3 seconds. | △R≤± (1%+0.052) |
Weld ability | Immerse in a tin furnace at 260±5%℃ for 2-3 seconds. | Solder area covers over95% |
Temperature cycle | Leave at -55℃ for 30 minutes,then at +25℃ for 10-15 minutes, then at +275℃ for 30 minutes,and finally at +25℃ for 10-15 minutes,in a total of 5 cycles. | △R≤± (1%+0.052) |
Load life in humidity | Overload rated voltage or Max. working voltage(get the lower) for 1000 hours (1.5 hours on and half-hours off) at the 40±2℃ and 90~95°relative humidity. | △R≤± (5%+0.052) |
Load life in heat | At a temperature of 70±2℃, apply the rated voltage or maximum operating voltage (which ever is lower) for a total of 1000 hours (1.5 hours on,0.5 hours off). | △R≤± (5%+0.052) |
Noncombustibility | Add AC load at 5,10,and 16 times the rated power for 5 minutes respectively. | No obvious flames |
Short Time Rating Table
30minutesThemaximumcurrentloadratethattheresistorcanwithstandundershorttimeload |
Loadtime(s) | 5 | 10 | 30 | 60 | 180 | 300 | 600 | 900 | 1800 |
Maximumcurrenttolerance(%) | 400 | 350 | 250 | 200 | 140 | 120 | 110 | 105 | 100 |
