Other
Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: > Other instruments and apparatus: > Other: > Automatic voltage and voltage-current regulators: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 9032.89.40.00
AVR Automatic Voltage Regulator for Generators
An electronic module that maintains constant generator output voltage despite varying loads or speeds. Classified in HTS 9032.89.40.00 for its automatic voltage-current regulation through sensing and feedback circuits. Essential for stable power delivery in backup generators.
Industrial PLC Voltage Regulator Module
Programmable logic controller module that automatically regulates voltage in factory automation systems. HTS 9032.89.40.00 applies due to its automatic electrical quantity regulation maintaining setpoint values. Monitors via sensors and adjusts via solid-state switching.
Telecom Power Supply Voltage Regulator
Rack-mount regulator maintaining precise DC voltage for telecom base stations and servers. Classified HTS 9032.89.40.00 for automatic voltage regulation stabilizing against load/input variations. Features hot-swappable design with remote monitoring.
Medical Equipment Voltage Regulator
Precision regulator ensuring stable voltage for MRI machines and surgical lasers. HTS 9032.89.40.00 due to automatic regulation critical for medical safety/performance. Provides galvanic isolation and fault-tolerant design.
Solar Inverter Voltage Regulator
MPPT charge controller with automatic voltage regulation for solar PV systems. Maintains optimal battery charging voltage per environmental/load conditions. HTS 9032.89.40.00 for automatic electrical regulation functionality.
Laboratory Power Supply with Automatic Regulation
Programmable benchtop power supply automatically maintaining set voltage/current limits. Features digital feedback for precise regulation during experiments. Classified HTS 9032.89.40.00 as laboratory automatic voltage regulator.
Automatic Voltage Stabilizer for Home Appliances
This device automatically regulates input voltage fluctuations to provide stable output for household appliances like refrigerators and TVs. It falls under HTS 9032.89.40.00 as an automatic voltage regulator designed to maintain desired voltage levels by continuously measuring and adjusting electrical input. Unlike simple transformers, it uses electronic feedback for precise control.
Servo Motor Voltage Stabilizer
Uses servo motors to continuously adjust transformer taps for precise voltage stabilization in sensitive equipment. Falls under HTS 9032.89.40.00 as it automatically monitors and regulates voltage-current through electromechanical feedback. Ideal for computers, medical devices, and labs.