Having a power handling capacity 40 VA or greater
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: > Other transformers: > Having a power handling capacity not exceeding 1 kVA: > Other: > Having a power handling capacity less than 1 kVA > Having a power handling capacity 40 VA or greater
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 8504.31.40.65
40VA Step-Down Transformer for Audio Equipment
This 40VA step-down transformer converts 120V AC to 12V AC for powering audio amplifiers and preamps in home theater systems. It falls under HTS 8504.31.40.65 as a transformer with power handling capacity between 40VA and 1kVA, specifically designed for low-voltage audio applications. The compact design ensures efficient power conversion without exceeding the 1kVA limit.
60VA Medical Isolation Transformer
A 60VA isolation transformer designed for medical devices like patient monitors and diagnostic equipment, providing galvanic isolation to prevent electrical shock. Classified under HTS 8504.31.40.65 due to its 40-1kVA power range and transformer function without rectification. Meets stringent medical safety standards for low leakage current.
75VA Control Transformer for HVAC Systems
This 75VA control transformer steps down voltage for HVAC thermostat and relay controls in commercial heating systems. It meets HTS 8504.31.40.65 criteria as a low-power handling transformer (40VA-1kVA) used in industrial control circuits. Features multi-tap primary for 120/240V input compatibility.
50VA LED Driver Transformer
A 50VA electronic transformer specifically designed for low-voltage LED lighting strips and recessed fixtures. Operates at 12V/24V output for constant voltage LED applications, falling under HTS 8504.31.40.65 for its 40VA+ power capacity under 1kVA. Features overload and short-circuit protection.
100VA Multi-Tap Buck-Boost Transformer
Multi-tap buck-boost transformer rated at 100VA for voltage correction in commercial buildings, adjusting 208V to 240V for appliances. Meets HTS 8504.31.40.65 as power handling capacity under 1kVA with 40VA minimum. Encapsulated design for indoor use with multiple voltage taps.
45VA Door Bell Transformer
Standard 45VA doorbell transformer converting 120V to 16V AC for residential chime systems and video doorbells. Classifies under HTS 8504.31.40.65 for its exact 40VA+ power rating under 1kVA. Surface-mount design with screw terminals for easy installation.
80VA Pool Timer Transformer
80VA weatherproof transformer for pool pump timers and outdoor lighting controls, providing 12-15V AC output. Falls under HTS 8504.31.40.65 as 40VA-1kVA power handling for control circuits. NEMA 3R enclosure suitable for wet locations.
55VA Security Camera Power Transformer
55VA transformer powering multiple CCTV cameras with 24VAC output for analog security systems. Meets HTS 8504.31.40.65 specifications for multi-camera power distribution under 1kVA. Includes surge protection for reliable 24/7 operation.
65VA Toy Train Transformer
65VA variable output transformer for Lionel and MTH scale model train layouts, providing 14-20V AC with whistle/horn activation circuit. Classified HTS 8504.31.40.65 for hobby transformers 40VA-1kVA. Classic black rectangular design with throttle control.
90VA Intercom System Transformer
90VA central power supply transformer for multi-unit apartment intercom systems, providing 16V AC for door stations and handsets. HTS 8504.31.40.65 classification for building communication transformers 40VA-1kVA. Includes thermal overload protection.