BX8 series sliding line variable resistorDetailed product description：

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series sliding line variable resistor features

} The resistance wire is oxidized, the resistance value is continuously adjustable, the power is high, the installation is easy and stable, and the appearance is beautiful;
Application: Applied to experimental circuits for AC 50Hz, rated voltage 500V, or DC not exceeding 440V, teaching demonstrations, power generation, and DC motor excitation speed regulation.<50Hz Usage environment: rated power temperature (+70 ℃);
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Structural form: Wiring terminal leads out, both single tube and double tube can be used;

BX8-21~27 can produce 60A, 100A, 120A specifications 

external dimensions and main technical indicators