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Braking resistor 75 Ohm 1000 W SPLC-WR-75-1000 for frequency converter 11 kW
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Product Code:
SPLC-WR-75-1000
Brand:
Specialist
1 159,98 UAH
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Technical specifications
Description
The ceramic resistor model SPLC-WR-75-1000 is most commonly used as a brake resistor for an 11 kW inverter for three-phase motors 380 V — selecting one should be based on the frequency converter manufacturer's recommended resistor characteristics and the calculated braking power of the motor. This wire wound resistor has a resistance of 75 Ohm and a power of 1000 W.
Brake resistors of the WR series are made of a ceramic tube upon which wire made of an iron-chrome-aluminium alloy (by default) or nichrome (on order) is wound. The ceramic body acts as an insulator and heat sink, resistant to high temperatures and corrosion. The wire has high specific electrical conductivity, allowing efficient dissipation of heat generated during motor braking.
| Model | SPLC-WR-75-1000 |
|---|---|
| Rated Power | 1000 W |
| Rated Resistance | 75 Ohm |
| Resistance Tolerance | ±5% (type J) ±10% (type K) |
| Rated Load | 50-200 W, surface temperature less than 275°C; more than 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 | 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 (dry) |
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