Servo Motor Assembly for Voltage Regulators
Precision servo motor that drives the variac or tap changer in servo-controlled automatic voltage regulators for fine voltage adjustments. Dedicated part under HTS 9032.90.41.00 for voltage-current regulators. Provides mechanical actuation based on electronic feedback.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general AC motors under 37.5W
Universal motors classified by power/type in Chapter 85 if not apparatus-specific.
If for measuring machine positioning
Other measuring instrument parts per Chapter 90 notes.
If industrial machinery servo actuators
Parts for unclassified machines in Chapter 84.
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Import Tips & Compliance
• Document torque ratings and voltage range matching AVRs; declare as set if with gearbox
• Common issue: undervaluation in assemblies
• Adhere to motor efficiency standards
Related Products under HTS 9032.90.41.00
Tap Changer Mechanism for AVR
Electromechanical tap changer that selects transformer windings for voltage correction in AVRs. Accessory under HTS 9032.90.41.00 for voltage regulators. Ensures step-wise voltage adjustment.
AVR Enclosure Mounting Bracket
Custom aluminum bracket for securing voltage regulator components within protective enclosures. Minor but essential accessory under HTS 9032.90.41.00. Supports structural integrity.
Voltage Regulator Surge Protection Module
MOV-based module integrated into AVRs to clamp transient voltages protecting control circuits. Part of voltage-current regulators under HTS 9032.90.41.00.
AVR Input Filter Capacitor Bank
High-capacity electrolytic capacitors filtering noise in AVR input stages for clean regulation. Dedicated accessory HTS 9032.90.41.00.
Remote Monitoring Interface for AVR
RS485/RS232 interface board for remote voltage/current data from regulators. Under HTS 9032.90.41.00 as accessory.
AVR Overload Alarm Buzzer
Piezo buzzer triggered by regulator controls for audible overload alerts. Part HTS 9032.90.41.00.