Unrated
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: > Other transformers: > Having a power handling capacity not exceeding 1 kVA: > Unrated
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 8504.31.20.00
Wall-Mount AC/DC Power Adapter 12V 1A
This compact wall-mount power adapter converts 100-240V AC to 12V DC at 1A, with a power handling capacity under 1 kVA, making it an unrated electrical transformer. It is commonly used to power routers, LED strips, and small electronics. Classified under HTS 8504.31.20.00 due to its low-power transformer function without specific rating.
USB Wall Charger 5V 2A for Smartphones
A universal USB wall charger that steps down AC mains voltage to 5V DC at 2A (10W total, under 1 kVA), functioning as an unrated transformer. It features foldable prongs for travel and is essential for charging mobile devices. Fits HTS 8504.31.20.00 as a low-power, unrated electrical transformer.
LED Strip Light Power Supply 24V 0.75A
This enclosed power supply converts 120V AC to 24V DC at 0.75A (18W, well under 1 kVA) for driving LED strips in lighting installations. It acts as an unrated transformer with basic overcurrent protection. HTS 8504.31.20.00 applies to its low-power, unrated transformer design.
Travel Power Adapter with USB Ports
Multi-region travel adapter converting 100-240V AC to dual USB 5V/2.4A outputs (under 1 kVA total), serving as an unrated transformer for international charging. Includes interchangeable plugs for global compatibility. Classified in HTS 8504.31.20.00 for its low-power transformation without rating.
CCTV Camera Power Adapter 12V 1A
Dedicated DC power adapter for security cameras, transforming 110V AC to 12V DC at 1A (12W, under 1 kVA), unrated for general surveillance use. Weather-resistant design for outdoor installations. HTS 8504.31.20.00 covers this low-power unrated transformer.
Doorbell Transformer 16V 10VA
Step-down transformer for wired doorbells, converting 120V AC to 16V AC at 10VA (under 1 kVA), unrated for residential use. Hardwired design with screw terminals for easy installation. Fits HTS 8504.31.20.00 as an unrated low-power transformer.
Toy Train Power Supply 18V 0.5A
Wall adapter powering model train sets, converting AC to 18V DC at 0.5A (9W, under 1 kVA), unrated for hobbyist applications. Features polarity reversal protection. HTS 8504.31.20.00 for unrated transformers in low-power consumer toys.
Wireless Mouse USB Receiver Power Adapter
Mini power adapter for USB dongle charging in wireless peripherals, 5V 0.5A output (under 1 kVA), unrated transformer design. Compact for office desk use. Classified HTS 8504.31.20.00 as low-power unrated electrical transformer.
Audio Amplifier Power Supply 15V 800mA
Switch-mode power supply for small audio amps, stepping down to 15V DC at 800mA (12W, under 1 kVA), unrated for hi-fi systems. Low-noise design preserves audio quality. HTS 8504.31.20.00 for unrated low-power transformers.
IoT Sensor Hub Power Adapter 5V 1A
Compact adapter powering smart home sensor hubs, 5V 1A DC from AC mains (under 1 kVA), unrated transformer for connected devices. Supports multiple sensor inputs. Fits HTS 8504.31.20.00 as unrated low-power electrical transformer.