HS Code Subheading

Electrical resistors; wirewound variable, including rheostats and potentiometers, for a power handling capacity exceeding 20W (excluding heating)

8533.39 Subheading
Section XVI — Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles

About HS Code 853339

This category includes wirewound variable electrical resistors, such as rheostats and potentiometers, designed for high-power applications exceeding 20 watts. These robust components are essential for industrial control systems, power regulation in heavy machinery, high-power dimming circuits, and welding equipment, where precise adjustment under significant electrical loads is required. Importers are typically industrial equipment manufacturers, automation integrators, and power generation companies. Exporters are specialized suppliers of heavy-duty electrical components, focusing on durability, heat dissipation, and reliable performance in demanding environments. The trade emphasizes robust construction, high current ratings, and the ability to withstand harsh operating conditions, making quality and certification paramount.

Products Under This Code

High-power rheostats, industrial potentiometers (wirewound), motor control potentiometers (high power), load bank potentiometers, power adjustment resistors (wirewound), heavy-duty variable resistors

Real World Examples

Ohmite RLS series rheostats, Vishay Sfernice P11 series, TE Connectivity CGS series, Bourns 3500 series

Common Misclassification

Often confused with 853340 (other variable resistors) if not wirewound, or 853329 (fixed resistors >20W) if its variable function is not clear.

Products Classified Under 8533.39

Industry

This code belongs to the Electronics & Electrical Equipment industry.

Trade Overview

Germany, USA, and Japan are key exporters; China, India, and Brazil are notable importers.

Frequently Asked Questions

What is HS code 853339?

HS code 853339 covers: Electrical resistors; wirewound variable, including rheostats and potentiometers, for a power handling capacity exceeding 20W (excluding heating). This category includes wirewound variable electrical resistors, such as rheostats and potentiometers, designed for high-power applications exceeding 20 watts. These robust components are essential for industrial control systems, power regulation in heavy machinery, high-power dimming circuits, and welding equipment, where precise adjustment under significant electrical loads is required. Importers are typically industrial equipment manufacturers, automation integrators, and power generation companies. Exporters are specialized suppliers of heavy-duty electrical components, focusing on durability, heat dissipation, and reliable performance in demanding environments. The trade emphasizes robust construction, high current ratings, and the ability to withstand harsh operating conditions, making quality and certification paramount.

What products fall under HS code 853339?

High-power rheostats, industrial potentiometers (wirewound), motor control potentiometers (high power), load bank potentiometers, power adjustment resistors (wirewound), heavy-duty variable resistors

What are common misclassifications for HS code 853339?

Often confused with 853340 (other variable resistors) if not wirewound, or 853329 (fixed resistors >20W) if its variable function is not clear.

How is HS code 853339 structured?

HS code 853339 is a 6-digit subheading under the Harmonized System. The first 2 digits (85) identify the chapter, digits 3-4 (33) identify the heading, and digits 5-6 (39) specify the subheading. This code is standardized globally by the World Customs Organization.