Other
Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: > Other machines and apparatus: > Other: > Other: > 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 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Subheadings
Products classified under HTS 8543.70.98
Current Sensing IC Module
A Hall-effect based current sensor module for monitoring electrical current in power supplies and motor drives. It qualifies for HTS 8543.70.98 as an electrical apparatus performing precise current measurement and protection functions not covered elsewhere. Outputs analog voltage proportional to measured current.
DC-DC Buck Converter Module
Adjustable step-down DC-DC converter module (5-32V input, 1.25-30V output) for power supply applications. Classified HTS 8543.70.98 as electrical power conversion apparatus with individual voltage regulation function. Features overcurrent/short-circuit protection.
H-Bridge Motor Driver Module
Dual-channel H-bridge DC motor driver module (15A continuous) with PWM speed control for robotics. Falls under HTS 8543.70.98 as electrical apparatus for bidirectional motor control and protection. Features thermal shutdown and overcurrent protection.
Digital I/O Expansion Module
16-channel digital input/output expansion module with opto-isolation for industrial controllers. HTS 8543.70.98 classification for electrical signal conditioning and interface functions between controllers and field devices. 24VDC operation standard.
Signal Conditioner Module
Universal signal conditioner module for converting 4-20mA, 0-10V, thermocouple, and RTD inputs to standard outputs. Classified HTS 8543.70.98 for electrical signal processing and isolation functions in process control. Galvanic isolation up to 1500V.
RS485 to TTL Converter Module
Bi-directional RS485 serial communication converter module to TTL levels for microcontroller interfacing. HTS 8543.70.98 covers this electrical level-shifting and protocol conversion apparatus. Supports multi-drop networks up to 32 nodes.
Power Line Filter Module
EMI/RFI power line filter module (250VAC, 30A) for suppressing conducted noise in industrial equipment. Classified under HTS 8543.70.98 as electrical noise suppression apparatus with individual filtering function. Multi-stage LC filtering design.
Optocoupler Isolation Module
Multi-channel optocoupler isolation module providing 5kV isolation between digital signals for safety. HTS 8543.70.98 for electrical isolation apparatus preventing high-voltage coupling. Used in medical and industrial control applications.
Battery Management System Module
Li-ion battery management system (BMS) module with cell balancing and protection functions for 4S packs. Classified HTS 8543.70.98 as electrical apparatus for battery monitoring, balancing, and safety control. Monitors voltage, current, temperature.
Frequency to Voltage Converter Module
Analog frequency-to-voltage converter module (0.1Hz-100kHz input, 0-10V output) for tachometer applications. HTS 8543.70.98 covers this electrical signal conversion apparatus. Linear output proportional to input frequency.
Proximity Sensor Module
An infrared proximity sensor module used in robotics and automation to detect nearby objects without physical contact. It falls under HTS 8543.70.98 as an electrical machine with the individual function of non-contact object detection, not specified elsewhere in Chapter 85. These sensors typically output digital or analog signals for integration into larger systems.
RFID Reader Module
A compact radio-frequency identification reader module for short-range tag scanning in access control and inventory systems. Classified under HTS 8543.70.98 for its individual function of wireless data reading via electromagnetic fields, distinct from complete communication apparatus. It interfaces via UART or SPI for embedded applications.
Temperature Controller Module
Digital PID temperature controller module with thermocouple input for industrial heating applications. Falls under HTS 8543.70.98 for its specialized function of automatic temperature regulation via relay/SSR output. Features setpoint programming and alarm functions.
CAN Bus Interface Module
Controller Area Network (CAN) transceiver module for automotive and industrial communication networks. HTS 8543.70.98 applies to this electrical apparatus enabling protocol conversion and signal isolation between microcontrollers and CAN bus. Supports ISO 11898 standards.
Relay Driver Module
Opto-isolated relay driver module with 8-channel MOSFET outputs for PLC and automation control. HTS 8543.70.98 covers this electrical apparatus providing high-current switching with galvanic isolation. Rated for 10A/30VDC inductive loads.