HS Code for Power circuit breakers

Power circuit breakers designed for high-voltage applications are classified under HS code 853529. This code falls under heading 8535, which covers electrical apparatus for switching or protecting electrical circuits for a voltage exceeding 1,000 volts. Specifically, sub-heading 8535.29 is reserved for automatic circuit breakers that operate at a voltage of 72.5 kV or higher. These devices are critical for the protection of electrical grids and industrial power systems, as they are designed to interrupt extremely high currents during a fault or overload to prevent damage to transformers and other infrastructure. The classification is strictly determined by the rated voltage capacity of the equipment. These breakers often use specialized insulation media such as sulfur hexafluoride (SF6) gas, oil, or vacuum technology to quench the electrical arc generated during switching at high voltages.

Products Included

• High-voltage SF6 circuit breakers
• Outdoor vacuum circuit breakers (72.5kV+)
• Transmission line circuit breakers
• Substation power circuit breakers
• Gas-insulated switchgear (GIS) breakers
• Air-blast circuit breakers for high voltage

Common Misclassification

The most frequent misclassification occurs with HS code 8536.20, which is for automatic circuit breakers intended for voltages not exceeding 1,000 volts (low voltage). Another common error is using HS code 8535.21, which is specifically for circuit breakers with a voltage exceeding 1,000 volts but less than 72.5 kV. Accurate classification requires verifying the maximum rated voltage on the manufacturer's technical datasheet to distinguish between these sub-headings.

FAQ

What is the HS code for high-voltage circuit breakers?

For circuit breakers rated at 72.5 kV or higher, the correct HS code is 8535.29.

Does this code include residential circuit breakers?

No, residential circuit breakers operate at low voltages (typically 120V-240V) and are classified under HS code 8536.20.