Ohmite RHS 50 Rheostat
The Ohmite RHS 50 is an adjustable wirewound rheostat rated at 50 ohms and 25 watts, used in laboratory power supplies for current limiting. It qualifies for tariff item 8533.39.00 as a wirewound variable resistor (rheostat type), not being a heating resistor. Its high power rating suits bench-top testing applications.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the rheostat is not wirewound
Non-wirewound variable resistors are classified under this alternative.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare the rheostat as a wirewound variable resistor and provide the resistance and wattage ratings
• Ensure the product is not described as a heating resistor to avoid misclassification
• Keep the original manufacturer's datasheet for CBSA inspection
Related Products under Tariff item 8533.39.00
Allen-Bradley 1492 Series Wirewound Potentiometer
The Allen-Bradley 1492 Series wirewound potentiometer is an industrial-grade adjustable resistor used in PLC control systems for analog signal adjustment. It falls under tariff item 8533.39.00 as an 'other' wirewound variable resistor, not being a heating resistor or a type specifically covered elsewhere. Its robust construction suits factory automation environments.
ALPS RK27 Series Wirewound Potentiometer
The ALPS RK27 series dual-gang wirewound potentiometer is used for professional audio volume controls, with 10k ohm per section. It falls under tariff item 8533.39.00 as an 'other' wirewound variable resistor, not being a heating resistor. Its dual-gang design allows stereo balance adjustment in audio equipment.
Audio Grade Wirewound Level Potentiometer
This audio-grade 250k ohm wirewound potentiometer features a logarithmic taper for mixing desks, providing low-noise winding for clean signal. It falls under tariff item 8533.39.00 as a precision audio variable resistor, not being a heating resistor. Its high resistance and audio taper suit professional sound equipment.
Bourns 3224W Military Spec Wirewound Potentiometer
The Bourns 3224W military-spec wirewound potentiometer is qualified to MIL-PRF-39029 and withstands vibration for defense radar systems. It is classified under tariff item 8533.39.00 as an 'other' wirewound variable resistor, given its ruggedized design for high-reliability applications. It is not a heating resistor and fits the subheading's scope.
Bourns 3590S Precision Wirewound Potentiometer
The Bourns 3590S precision wirewound potentiometer is a 10-turn adjustable resistor with a 1.5-watt power rating and resistance up to 10k ohms, used in industrial control panels for accurate voltage division. It falls under tariff item 8533.39.00 as an 'other' wirewound variable resistor, not being a heating resistor. Its multi-turn design provides fine adjustment for calibration.
Caddock USVD Series Ultra-Precision Wirewound Potentiometer
The Caddock USVD series ultra-precision wirewound potentiometer achieves 0.01% linearity for aerospace instrumentation and calibration standards. It is classified under tariff item 8533.39.00 as an 'other' wirewound variable resistor, given its high-spec design for precision applications. It is not a heating resistor and meets the subheading's criteria.