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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If incorporating control boards
Smart doorbells with integrated controllers classify under control panels, not pure transformers.
If factory-rated versions
Transformers with explicit VA ratings on nameplates shift from unrated category.
If imported as core-and-coil assemblies
Incomplete assemblies without housings are parts, not finished transformers.
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Import Tips & Compliance
• Certify to UL 1585 for doorbell applications; include installation manuals
• Declare AC-to-AC transformation explicitly
• Ensure no DC rectification to maintain transformer status
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