Siemens ETU Electronic Trip Unit from China
Siemens ETU (Electronic Trip Unit) for Sentron power circuit breakers provides digital protection with LCD display for monitoring breaker status. Classified under HTS 8538.90.81.20 as it is principally designed for automatic circuit breakers of heading 8536. Features include ground fault protection and communication capabilities for industrial applications.
Duty Rate — China → United States
41%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Import Tips
• Obtain OEM compatibility certification from Siemens to substantiate classification under circuit breaker parts
• Declare exact model compatibility (e.g
• for 3VA/3VL breakers) on commercial invoice to prevent CBP scrutiny
• Watch for counterfeit risks; include holograms or serial verification in shipment docs