Lnline Electric Fuse Holder & Cable Assembly

Electric fuse holders and cable assemblies are core components of circuit protection systems, used to secure and connect fuses. They ensure quick circuit interruption in the event of an overload or short circuit. The following is key information:
I. Core Functions and Categories
‌Basic Function‌
Provides mechanical support and electrical connection to ensure stable fuse operation.
When current flow is abnormal, the fuse disconnects the circuit, protecting equipment.
‌Main Categories‌
‌By Installation Method‌:
‌Panel Mount‌: For use with devices such as car amplifiers and speakers.
‌PCB Mount‌: For use with circuit boards, such as the 5×20mm fuse holder.
‌Lead Mount‌: Commonly found in automotive wiring harnesses, supports quick plugging and unplugging.
‌By Fuse Type‌:
‌Plug Mount‌: Suitable for small, medium, and large automotive fuses (such as 12V/24V systems).
‌Screw Mount‌: For use with high current applications (such as 200A industrial equipment).

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Ii. Key Design Parameters
Electrical Performance
Rated Current: Covers 1A to 200A. New energy vehicles must support high voltages of 300V-1000V.
Circuit Breaking Capacity: Solar inverters must meet high-power interruption requirements.

Materials and Processing
Conductive Components: Copper alloy or silver-plated conductors, ensuring low contact resistance (<10mΩ).
Insulation: PBT engineering plastic or polyimide, with high-temperature resistance exceeding 85°C.

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Iii. Typical Application Scenarios
Automotive
Engine compartment and cab fuse boxes protect critical circuits such as the ECU and headlights.
Waterproof design (e.g., IP67 rating) for humid environments.

New Energy and Industrial
Electric vehicle high-voltage systems require specialized fuse holders that withstand high temperatures and high currents (e.g., 200A).
The photovoltaic inverter uses a UL-certified fuse holder supporting 20A-30A DC fusing.

Iv. Selection and Installation Key Points
‌Load Matching‌: Motor circuits require a slow-blow type, while electronic equipment requires a fast-blow type.
‌Environmental Adaptability‌: For high-temperature environments, choose a ceramic housing; for compact spaces, use a patented threaded structure.
‌Certification Standards‌: UL and IEC certified products are preferred to ensure safety and compliance.