Littelfuse 312 Series Glass Cartridge Fuse

The Littelfuse 312 series is a 3AG fast-acting glass cartridge fuse rated for voltages up to 250V and currents from 0.1A to 20A, designed for overcurrent protection in electronic circuits. It features a glass tube with metal end caps, fitting the HTS 8536.10.00.20 classification as a glass cartridge fuse for voltages not exceeding 1,000V. Commonly used in power supplies and automotive electronics.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.7%+35.0%37.7%
🇲🇽Mexico2.7%+10.0%12.7%
🇨🇦Canada2.7%+10.0%12.7%
🇩🇪Germany2.7%+10.0%12.7%
🇯🇵Japan2.7%+10.0%12.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8536.10.00.40Same rate: 37.7%

If constructed with ceramic tube instead of glass

Ceramic cartridge fuses fall under the separate subheading for non-glass materials in the fuses category.

8536.50.70Lower: 35% vs 37.7%

If for higher voltage applications exceeding 1,000V

Fuses designed for voltages over 1,000V shift to heading 8536.50, regardless of glass construction.

8538.10.00Lower: 35% vs 37.7%

If sold as complete fuse assemblies with holders or bases

When imported as parts of larger electrical apparatus with mounting hardware, classification moves to heading 8538 for assemblies.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Verify fuse voltage rating does not exceed 1,000V and confirm glass cartridge construction via manufacturer specs to match HTS 8536.10.00.20

• Include detailed technical datasheets showing amperage, speed (fast-acting), and end-use in customs documentation to avoid misclassification

Related Products under HTS 8536.10.00.20

Schurter 0001.1011 Glass Cartridge Fuse

Schurter 0001.1011 is a 5x20mm glass cartridge fuse with 1A slow-blow characteristics for 250V applications in industrial controls. Classified under HTS 8536.10.00.20 due to its glass tube and metal cap construction for voltages ≤1,000V. Provides reliable surge protection without nuisance opening.

Bel Fuse 5HF 250V Glass Cartridge Fuse

Bel Fuse 5HF series offers 5mm x 20mm glass cartridge fuses rated 250V with fast-acting response for telecommunications equipment. Fits HTS 8536.10.00.20 criteria for glass fuses ≤1,000V used in circuit protection. High reliability for sensitive electronics.

Bussmann AGC-15 Glass Cartridge Fuse

Bussmann AGC-15 is a 1/4" x 1-1/4" glass tube fuse providing 15A fast-acting protection at 32V, ideal for automotive and consumer electronics. This glass cartridge design precisely matches HTS 8536.10.00.20 for low-voltage fuses used in circuit protection. Its transparent glass allows visual inspection of the fusible element.

Ferraz Shawmut MDL-1/4 Glass Cartridge Fuse

Ferraz Shawmut MDL-1/4 is a 250V, 0.25A time-delay glass cartridge fuse in 3AG size for motor circuits and transformers. Meets HTS 8536.10.00.20 as a glass tube fuse for low-voltage protection. Handles inrush currents effectively.

Wickmann 191 Glass Cartridge Fuse

Wickmann 191 series glass cartridge fuses in 6.3x32mm size provide 500V protection up to 16A for industrial machinery. Classified HTS 8536.10.00.20 for glass tube construction in low-voltage applications. European standard fuse design.