For a voltage of less than 72.5 kV
Electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge suppressors, plugs and other connectors, junction boxes), for a voltage exceeding 1,000 V: > Automatic circuit breakers: > For a voltage of less than 72.5 kV
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 9903.88.05, 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]
Products classified under HTS 8535.21.00.00
ABB Emax 2 Air Circuit Breaker 1600A
The ABB Emax 2 is an automatic air circuit breaker rated for voltages up to 72.5 kV and currents up to 1600A, designed for industrial power distribution systems. It provides protection against overloads, short circuits, and faults by automatically interrupting the circuit. Classified under HTS 8535.21.00.00 as an automatic circuit breaker for voltages exceeding 1,000 V but less than 72.5 kV.
Siemens 3WL Air Circuit Breaker 3200A
Siemens 3WL series automatic circuit breaker for medium voltage applications up to 72.5 kV, handling 3200A continuous current with electronic trip units. Used in substations and heavy industry for fault protection. Falls under HTS 8535.21.00.00 due to its automatic breaking function for voltages exceeding 1,000 V.
Schneider Electric MasterPact MTZ 4000A Breaker
MasterPact MTZ automatic circuit breaker from Schneider Electric, rated 4000A at voltages under 72.5 kV, featuring digital microprocessor-based protection relays. Ideal for utility and commercial power systems. HTS 8535.21.00.00 classification for automatic high-voltage circuit protection.
GE Powerbreak II ML-1600 Vacuum Circuit Breaker
GE Powerbreak II ML-1600 vacuum-type automatic circuit breaker for medium voltage distribution up to 72.5 kV. Uses vacuum interrupters for superior arc quenching in metal-clad switchgear. Classified HTS 8535.21.00.00 for automatic circuit protection exceeding 1,000 V.
Eaton Magnum DS 2500A Molded Case Circuit Breaker
Eaton Magnum DS series molded case automatic circuit breaker rated 2500A for voltages to 72.5 kV with adjustable electronic trip protection. Used in industrial panels and motor control centers. HTS 8535.21.00.00 for high-voltage automatic circuit interruption.
Toshiba T-Fuji Vacuum Circuit Breaker 15kV 1200A
Toshiba T-Fuji series vacuum circuit breaker rated 15 kV, 1200A continuous, automatic protection for distribution substations. Features magnetic actuator technology for fast operation. Classified under HTS 8535.21.00.00 as automatic breaker for voltages exceeding 1,000 V.
Cutler-Hammer Series C Medium Voltage Breaker
Cutler-Hammer (Eaton) Series C automatic circuit breaker for medium voltage up to 38 kV, with flux transfer trip units. Designed for draw-out metal-clad switchgear applications. HTS 8535.21.00.00 for automatic high-voltage circuit protection.
Mitsubishi NF-LV4000 Low Voltage Air Breaker
Mitsubishi NF series LV4000 air circuit breaker rated up to 72.5 kV with microprocessor trip units for selective coordination. Used in commercial buildings and data centers. Classified HTS 8535.21.00.00 for automatic circuit protection over 1,000 V.
Square D Masterpact NW 6300A Low Voltage Breaker
Square D Masterpact NW automatic low voltage power circuit breaker rated 6300A up to 72.5 kV with PowerLogic control units. Provides advanced metering and protection. HTS 8535.21.00.00 classification for high-voltage automatic breakers.
Westinghouse K-Line 2000A Medium Voltage Breaker
Legacy Westinghouse K-Line series automatic circuit breaker, 2000A rating for 15 kV systems with stored energy mechanism. Used in legacy industrial installations. Classified under HTS 8535.21.00.00 for voltages exceeding 1,000 V.
Hyundai IAS ILM6 15kV Vacuum Breaker
Hyundai Ideal Electric IAS ILM6 series vacuum circuit breaker rated 15 kV, 600-4000A with front-connected drawout design for switchgear. Features permanent magnet actuators. HTS 8535.21.00.00 for automatic medium voltage protection.
NOJA Power OSM Recloser 15.5kV Automatic Breaker
NOJA Power OSM series automatic circuit recloser rated 15.5 kV for overhead distribution lines with vacuum interrupters and user-configurable protection logic. Combines breaker and recloser functionality. Classified HTS 8535.21.00.00 for high-voltage automatic protection.
S&C Custom Credit 27kV Vacuum Fault Interrupter
S&C Electric Custom Credit® series 27 kV automatic vacuum fault interrupter with microprocessor-based controls for underground distribution. Provides three-phase tripping and fault detection. HTS 8535.21.00.00 classification for voltages over 1,000 V.
ABB VD4 24kV Vacuum Circuit Breaker
ABB VD4 series withdrawable vacuum circuit breaker rated 24 kV, 1250-4000A for indoor metal-clad switchgear with pole-mounted vacuum bottles. Features electronic control cubicle. Classified under HTS 8535.21.00.00 for automatic high-voltage breaking.
G&W Viper-ST 15kV Solid Dielectric Switch
G&W Electric Viper-ST single tank automatic circuit interrupter rated 15.2 kV with solid dielectric insulation and electronic recloser controls for underground vaults. Provides fault interruption and restoration. HTS 8535.21.00.00 for voltages exceeding 1,000 V.