Other
Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537: > Other: > Printed circuit assemblies: > 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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8538.90.30.00
Industrial Relay Driver PCB Assembly
Printed circuit assembly for driving multiple relays in industrial control panels of heading 8536, featuring power transistors, optocouplers, and signal conditioning circuits. It interfaces low-voltage control signals with high-power relay coils. Falls under 8538.90.3000 as a dedicated part for heading 8536 apparatus.
Programmable Automation Controller Daughterboard
Expansion printed circuit assembly that plugs into main PLC boards of heading 8537, adding analog I/O channels and specialty communication protocols. It extends functionality for specific industrial applications. Classified under 8538.90.3000 as a dedicated part for heading 8537 controllers.
Traffic Signal Controller Interface PCB
Printed circuit assembly interfacing vehicle detectors with traffic signal controllers of heading 8537, featuring signal conditioning amplifiers and fault detection circuits. It processes inductive loop detector inputs for timing calculations. Falls under 8538.90.3000 as a part for heading 8537 apparatus.
Protective Relay Signal Processing Board
High-speed PCB assembly for protective relays in power distribution systems of heading 8536, containing ADCs, DSP chips, and trip logic circuits. It analyzes fault currents and initiates protective actions. Classified in 8538.90.3000 as a part solely for heading 8536 apparatus.
HVAC Zone Controller Expansion Module
Printed circuit assembly expanding input/output capacity of HVAC zone controllers under heading 8537, with temperature sensor interfaces and damper actuator drivers. It enables multi-zone climate control functionality. Under 8538.90.3000 as dedicated part for heading 8537 apparatus.
Electrical Panel HMI Interface Board
Printed circuit assembly providing touchscreen interface for industrial control panels of heading 8536, with LCD controller, touch digitizer, and communication processor. It enables operator interaction with control systems. Falls under 8538.90.3000 as part for heading 8536 apparatus.
Power Distribution Unit Control PCB
Printed circuit assembly for PDU control systems of heading 8536, monitoring circuit breakers, metering individual outlets, and providing remote management via SNMP. It manages power allocation in data centers. Under 8538.90.3000 as dedicated part for heading 8536 apparatus.
Crane Control System Expansion Board
Heavy-duty printed circuit assembly expanding hoist and trolley controls in overhead crane systems of heading 8537, with encoder interfaces, brake controls, and limit switch monitoring. It handles high-current outputs for material handling. Classified in 8538.90.3000 for heading 8537 apparatus.
Fire Alarm Control Panel Interface Module
Printed circuit assembly interfacing smoke detectors and notification appliances with fire alarm control panels of heading 8537, featuring supervised circuits and power monitoring. It ensures life safety system integrity. Under 8538.90.3000 as part principally for heading 8537.
Solar Inverter MPPT Controller Board
Maximum power point tracking printed circuit assembly for photovoltaic inverters under heading 8536, with high-efficiency DC-DC converters and grid synchronization circuits. It optimizes solar panel energy harvest. Classified under 8538.90.3000 as part for heading 8536 apparatus.
SCADA Remote Terminal Unit Processor Board
Industrial processor printed circuit assembly for RTUs in supervisory control systems of heading 8537, featuring ruggedized CPU, serial ports, and analog I/O for field data acquisition. It enables remote monitoring of industrial processes. Falls under 8538.90.3000 for heading 8537 apparatus.
PLC Printed Circuit Board Assembly
A printed circuit assembly designed specifically for programmable logic controllers (PLCs) of heading 8537, containing microprocessors, memory chips, and I/O interface circuits mounted on a PCB. It provides the core control logic for industrial automation equipment. Classified under 8538.90.3000 as a part solely for use with apparatus of heading 8537.
Elevator Control Printed Circuit Assembly
Specialized PCB assembly for elevator controllers under heading 8537, integrating motor drive circuits, safety interlocks, and floor position sensors. It manages door operations and car movement in compliance with safety standards. Classified in 8538.90.3000 as a part principally for heading 8537 boards.
Switchgear Monitoring PCB Module
Printed circuit assembly for low-voltage switchgear of heading 8536, equipped with current transformers, voltage sensors, and communication interfaces for status monitoring. It provides real-time electrical parameter measurement. Under 8538.90.3000 as a part suitable principally for heading 8536 apparatus.
Machine Safety PLC I/O Module
Safety-rated printed circuit assembly for machine safety PLCs of heading 8537, featuring dual-channel inputs, safety relays, and diagnostic circuits compliant with ISO 13849. It monitors emergency stops and safety gates. Classified under 8538.90.3000 as part principally for heading 8537.