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Braking resistor 22 Ohm 3000 W SPLC-WR-22-3000 for frequency converter 30 kW
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Product Code:
SPLC-WR-22-3000
Brand:
Specialist
2 131,68 UAH
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Technical specifications
Description
The ceramic resistor model SPLC-WR-22-3000 is commonly used as a braking resistor for a 30 kW frequency converter for three-phase motors 380 V — selecting should be based on the manufacturer's recommended specifications of the frequency converter resistor and calculated braking power of the motor. This wire-wound resistor has a resistance of 22 Ohm and a power of 3000 W.
WR series braking resistors are made from a ceramic tube, which is wound with wire made from iron-chrome-aluminium alloy (by default) or nichrome (on request). The ceramic body acts as an insulator and heatsink, resistant to high temperatures and corrosion. The wire has high specific electrical conductivity, allowing efficient heat dissipation generated during motor braking.
| Model | SPLC-WR-22-3000 |
|---|---|
| Rated Power | 3000 W |
| Rated Resistance | 22 Ohm |
| Resistance Tolerance | ±5% (type J) ±10% (type K) |
| Rated Load | 50-200 W, surface temperature less than 275°C; over 200 W — 350°C |
| Short-term Overload | without visible damage ΔR ≤ ±(5%R + 0.05 Ohm) |
| Insulation Resistance | ΔR ≥ 1000 MOhm 1 min, DC 1000 V |
| Withstand Voltage | No visible damage, no arc discharge ΔR ≤ ±(0.1%R + 0.05 Ohm), AC 3000 V, 5 s |
| Terminal Strength | without visible damage, 45 N 30 s |
| Material | 0Cr25AL5/Cr20Ni80 |
| Protection Class | IP00 |
| Storage Temperature | from -40 to 50°C (without moisture) |
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