Having a power handling capacity not exceeding 1 kVA
Electrical transformers, static converters (for example, rectifiers) and inductors. > Other transformers: > Having a power handling capacity not exceeding 1 kVA
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8504.31.00
12V AC-DC Switching Power Supply 30W
A compact switching power supply converting 85-264VAC to 12VDC with 2.5A capacity, total power under 30W (0.03kVA). It falls under tariff item 8504.31.00 as a transformer with power handling capacity less than 1 kVA.
15V Laptop Power Adapter Brick 65W
An external switching power supply for laptops, converting 100-240VAC to 15VDC/4.3A (65W), under 1 kVA. It includes short-circuit and overvoltage protection.
24V DC-DC Step-Down Converter 50W
A DC-DC buck converter module transforming 36-60VDC input to 24VDC/2A output (50W), used in solar and automotive applications. It is under 1 kVA and classified under tariff item 8504.31.00.
5V USB Wall Charger Adapter 18W
A USB Type-A wall charger converting 100-240VAC to 5VDC/3A (18W max), under 1 kVA. It features foldable prongs for travel and meets energy efficiency standards.
Audio Amplifier Power Supply 15V 800mA
A switch-mode power supply that steps down AC mains to 15V DC at 800mA (12W), well under the 1 kVA limit of tariff item 8504.31.00. It is designed for small audio amplifiers and features low-noise output to preserve sound quality.
Audio Amplifier Power Supply 24V 100W
A switching power supply for professional audio amplifiers, converting 85-265VAC to dual rail ±24VDC total 100W. It features medical-grade isolation and low ripple, under 1 kVA.
CCTV Camera Power Adapter 12V 1A
A dedicated DC power adapter for CCTV cameras, converting 110V AC to 12V DC at 1A (12W), under the 1 kVA threshold. It is weather-resistant for outdoor use and unrated for general surveillance applications.
Doorbell Transformer 16V 10VA
A step-down transformer for wired doorbells, converting 120V AC to 16V AC at 10VA, under 1 kVA. It is hardwired with screw terminals for residential installation.
IoT Sensor Hub Power Adapter 5V 1A
A compact adapter powering smart home sensor hubs, providing 5V 1A DC from AC mains (under 1 kVA). It supports multiple sensor inputs and is unrated for connected devices.
LED Strip Light Power Supply 24V 0.75A
An enclosed power supply converting 120V AC to 24V DC at 0.75A (18W), under 1 kVA, for LED strip lighting. It acts as an unrated transformer with basic overcurrent protection.
Toy Train Power Supply 18V 0.5A
A wall adapter powering model train sets, converting AC to 18V DC at 0.5A (9W), under 1 kVA. It features polarity reversal protection for hobbyist use.
Travel Power Adapter with USB Ports
A multi-region travel adapter converting 100-240V AC to dual USB 5V/2.4A outputs (under 1 kVA), serving as an unrated transformer for international charging. It includes interchangeable plugs.
USB Wall Charger 5V 2A for Smartphones
A universal USB wall charger that steps down AC mains to 5V DC at 2A (10W), under 1 kVA. It features foldable prongs for travel and is essential for charging mobile devices.
Wall-Mount AC/DC Power Adapter 12V 1A
A compact wall-mount power adapter converting 100-240V AC to 12V DC at 1A, under 1 kVA. It is commonly used to power routers, LED strips, and small electronics.
Wireless Mouse USB Receiver Power Adapter
A mini power adapter for USB dongle charging in wireless peripherals, providing 5V 0.5A output (under 1 kVA). It is compact for office desk use.