Why Choose GFEFUSE?

Deep Industry Focus

Established in Dongguan since 2013, we have remained wholly dedicated to electronic protection devices, integrating R&D, manufacturing, and sales to guarantee superior performance and reliability.

Comprehensive Portfolio

Our lineup spans fuses, fuse holders, fuse boxes, automotive fuses, DC fuses, high-voltage fuses, new-energy fuses, and related accessories—serving consumer electronics, automotive, power equipment, telecom, and new-energy sectors.

Dual-Market Success

Products have rapidly gained domestic market share while also being exported worldwide, earning broad international recognition and popularity.

Continuous Innovation

A specialized R&D team and sustained technology investment drive ongoing product innovation, expanding coverage and accelerating time-to-market.

Certified Quality

UL, cULus, TÜV, CE, CQC approvals and full RoHS & REACH compliance underscore our commitment to quality and customer confidence.

We Have The Best Solutions for Your Business

Founded in 2013 in Dongguan, Guangdong, our company is a professional manufacturer ofelectronic protection devices. For years, we have been focusing on the protection device field, withan integrated team for development, production and sales, committed to providing customers withproducts of perfect performance and reliability.

Dur moin products include, fuses, fuse ho ders, fuse boxes, outomotive fuses, gutomotive fuse holders, Dcfuses, high-voltage fuses, new energy fuses ond other peripherol occessories, These products ore widelyused in multiple fields such os consumer electronics, outomotive electronics, power equipment,communicotion systems ond new energy. Aiming ot stoble performonce ond reliobility, our products hove notonly guickly won recognition in the domestic morket but olso been exported overseos, enjoying wide morketpopulority.

As 0 competitive compony in the protection device industry, we hove been committed to technologicol R&Dinvestment, quipped with 0 professionol R&D teom, we continuously promote product innovotion to ensureour wide product coveroge ond occelerote morket opplicotion speed of our products.

We olways toke quolity os our core goal and strive to be customer-oriented. Our products hove obtoined UL
cULus, Tuv, CE, COC ond other product certificotions, ond ore in complionce with ROHS ond REACH directives.

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What users say about GFEFUSE

These fuses solved our long-standing over-current headaches; zero failures since installation, UL certs eased compliance audits, and the technical team’s rapid support cut our downtime by half.

Alice

The wide product range eliminated sourcing chaos; one-stop fuse and holder kits arrived fast, all REACH-compliant, and the field engineers praised their consistent performance under harsh automotive loads.

Brian

High-voltage DC fuses from this firm ended our solar inverter burnouts; precise trip curves protect panels without nuisance blows, and the RoHS label streamlined our green certification process instantly.

Carlos

Switching to their automotive fuse boxes removed warranty claims; vibration-proof design survives rough roads, while the online configurator shaved days off our design cycle and delighted the OEM client.

Diana

New-energy fuses arrived pre-tested, cutting our qualification time by weeks; sales team sent 3D files overnight, and the low-profile holders saved precious PCB space for extra battery cells.

Ethan

Do you have any questions?

Why should I choose GFEFUSE for my high-current bolt down fuse needs?

<p><span class="ng-star-inserted">GFEFUSE is a specialized manufacturer that engineers every&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;for maximum safety and reliability. We use high-purity, low-resistance conductive elements and robust, high-temperature housings to ensure our fuses perform flawlessly under extreme loads, making them the trusted choice for protecting critical, high-power systems.</span></p>

Is it important to tighten the nuts on a bolt down fuse to a specific torque?

<p><span class="ng-star-inserted">Yes, it is extremely important. Under-tightening the nuts on a&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;can cause a loose connection, leading to dangerous arcing and overheating. Over-tightening can damage the fuse body or the stud. Always follow the torque specifications recommended by the manufacturer to ensure a safe and reliable connection.</span></p>

How can I tell if a bolt down fuse is blown?

<p><span class="ng-star-inserted">Most types of&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;feature a small, clear window on top. By looking through this window, you can visually inspect the internal metal link. If the link is intact, the fuse is good. If the link is broken or melted apart, the fuse is blown and the circuit will have no power.</span></p>

Why is the bolted connection so important on this type of fuse?

<p><span class="ng-star-inserted">The bolted connection is critical because it creates a very low-resistance, high-pressure contact point. For the high currents a&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;handles, this secure connection prevents heat buildup, voltage drop, and the risk of fire that could occur with a less secure plug-in style connection.</span></p>

What are the common types, such as MIDI, MEGA, and ANL?

<p><span class="ng-star-inserted">The common types of&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;are categorized by their physical size, voltage rating, and amperage range. MIDI fuses are compact and used for circuits typically from 30A to 200A. MEGA fuses are larger, handling currents from 100A up to 500A. ANL fuses are a popular style for high-power audio and marine applications, with ratings often spanning 35A to 750A.</span></p>

What is a bolt down fuse and where is it used?

<p><span class="ng-star-inserted">A&nbsp;</span><strong class="ng-star-inserted"><span class="ng-star-inserted">bolt down fuse</span></strong><span class="ng-star-inserted">&nbsp;is a high-capacity fuse designed to be securely fastened onto a fuse holder or busbar using bolts or studs. It is used in high-amperage DC circuits, typically protecting batteries, alternators, starters, winches, and the main power feeds in cars, trucks, RVs, boats, and industrial equipment like forklifts.</span></p>

Our updates and blog posts

27 Aug

Square high speed fuse: The Ultimate 1500 V DC Guardian for Energy Storage & EV Systems

Discover how the Square high speed fuse from GFEFUSE delivers 1500 V DC, 100 kA protection for BESS, EV chargers and wind converters. UL & IEC approved, low I²t design.

27 Aug

North Americansemiconductor fuse: The 1000 V DC Fast-Acting Shield EV & BESS Engineers Trust

Discover GFEFUSE North Americansemiconductor fuse—1000 V DC, 50 kA, UL & IEC approved. Ideal for EV chargers, BESS, PV inverters. Low I²t, high cycling life.

27 Aug

Photovoltaic fuse: The 1500 V DC Guardian Every Solar Array Needs

Discover GFEFUSE Photovoltaic fuse—1500 V DC, 1–30 A, 50 kA, UL-248-19 & IEC 60269-1/6 approved. Ideal for string and combiner boxes. Low I²t, high cycling life.

Do you have any question? Don't hesitate to contact with us