HS Code for Automatic regulators

Automatic regulators are classified under HS code 903289. This code is part of Chapter 90 of the Harmonized System, which covers optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof. Specifically, 903289 is a residual category for "Regulating or controlling instruments and apparatus; automatic, other than hydraulic or pneumatic." This means it encompasses a wide range of automatic control devices that operate using electrical, electronic, or mechanical principles, but explicitly excludes those that are hydraulic or pneumatic in their primary mode of operation. The key characteristic is the ability to automatically maintain a desired output or condition without continuous human intervention.

Products Included

• Electronic temperature controllers (non-thermostat specific)
• Automatic voltage regulators (AVR)
• Programmable Logic Controllers (PLCs) used for regulation
• Automatic light intensity regulators
• Electronic humidity controllers
• Process controllers for industrial automation (non-hydraulic/pneumatic)

Common Misclassification

Automatic regulators are subject to several common misclassifications, primarily due to the existence of more specific subheadings within Chapter 90 or distinctions in operating principles. For instance, specific types of automatic regulators like thermostats are classified under HS 903210, and manostats (pressure regulators) under HS 903220. A critical distinction is made for hydraulic or pneumatic automatic regulating or controlling instruments and apparatus, which are classified under HS 903281. If an automatic regulator is integrated into a larger control panel or system, it might fall under HS 8537, which covers boards, panels, and other bases for electric control. Careful analysis of the device's specific function, operating principle, and integration is essential for accurate classification.

FAQ

What is the HS code for Automatic regulators?

The HS code for automatic regulators, other than hydraulic or pneumatic, is 903289.

Are hydraulic or pneumatic regulators classified under 903289?

No, hydraulic or pneumatic automatic regulating or controlling instruments and apparatus are specifically classified under HS 903281.