This listing is for 1 piece of a power adjustable wirewound resistor with sliding rheostat, model Rx20t. It is designed as a brake load and adjustable resistive element for lab benches, test rigs, and industrial electronics. The unit covers a wide power and resistance range to suit multiple applications, from low wattage bench testing to power load simulations. Key benefits Precise, smooth resistance control: sliding contact provides gradual adjustment for accurate load tuning. Wide resistance and power options: resistance range from 1 ohm to 10 kiloohms; power ratings span from 25 W up to 10 kW, with common configurations including 100 W, 500 W, and 1000 W. Flexible use as a load or braking element: suitable for dynamic braking tests, motor loading, and general resistive loading in test setups. Robust, power construction: built to handle demanding laboratory and workshop environments with reliable long term performance. Simple integration: compatible with standard DC test circuits, power supplies, and drive systems that require a controllable resistive load. Key attributes Functionality: adjustable variable wirewound resistor with sliding rheostat for manual control. Compatibility: designed for DC resistive loads and test bench applications; suitable for use with motor drives, power supplies, and lab equipment. Size and form: power, compact enough for bench use; intended for mounting in appropriate heatsinking and ventilation conditions. Material and construction: wirewound resistor element within a robust package suitable for current and heat dissipation. Performance characteristics: wide adjustment range with selectable resistance and power configurations; established as a brake/load resistor in the Rx20t series. Recommended use cases Motor testing and braking: apply variable resistive load to DC motors during performance testing or braking simulations to study response and heat generation. Power supply and drive testing: use as a controllable load to evaluate voltage regulation, current delivery, and thermal behavior of DC power supplies and motor drives. Laboratory load banking: incorporate into test rigs as a configurable resistive load for calibration, aging studies, or electronics testing where precise, adjustable loading is required. Notes Model: Rx20t. Variants cover a broad range of power ratings from 25 W to 10 kW and resistance values from 1 Ω to 10 kΩ. Example values referenced in the listing include 150 Ω and 500 Ω, with configurations noted such as 500 W 2000 Ω in some variants; consult specific product configuration to match your needs. For performance and safety, ensure appropriate heat sinking and adequate ventilation, and select a configuration that matches the intended load, power, and duty cycle.