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Braking resistor 27.2 Ohm 2500 W SPLC-WR-27-2500 for frequency converter 22 kW
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Product Code:
SPLC-WR-27-2500
Brand:
Specialist
1 994,10 UAH
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Technical specifications
Description
The ceramic resistor model SPLC-WR-27-2500 is most often used as a brake resistor for a 22 kW inverter for three-phase motors 380 V — when selecting, refer to the manufacturer's recommended characteristics for the inverter and the calculated braking power of the motor. This wire-wound resistor has a resistance of 27.2 Ohm and a power of 2500 W.
Brake resistors of the WR series are made from a ceramic tube, which is wound with wire from iron-chromium-aluminium alloy (by default) or nichrome (upon request). The ceramic casing acts as an insulator and heat sink that is resistant to high temperatures and corrosion. The wire has high specific electrical conductivity, which allows effective heat dissipation generated during motor braking.
| Model | SPLC-WR-27-2500 |
|---|---|
| Rated Power | 2500 W |
| Rated Resistance | 27.2 Ohm |
| Resistance Tolerance | ±5% (type J) ±10% (type K) |
| Nominal Load | 50-200 W, surface temperature less than 275°C; above 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 |
| Withstanding Voltage | Without 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 (no moisture) |
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