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Littelfuse opened a 106,000-square-foot manufacturing plant in Piedras Negras, Coahuila, Mexico, with a ribbon-cutting ceremony in May 2024. The operational facility makes electrical products for several industrial and infrastructure markets, doubles the company’s manufacturing capacity in the region, and employs about 1,000 people locally.
Where is Littelfuse’s new plant?
The facility is in Piedras Negras, in the Mexican state of Coahuila. It is approximately 6.5 km from the factory it replaced, according to Littelfuse’s May 9, 2023 manufacturing-location-change notice. The company announced the new site to move industrial circuit-protection fuse production there, with completion then targeted for the first quarter of 2024.
When did it open, and how large is it?
Littelfuse held the plant’s ribbon-cutting ceremony in May 2024. The new facility measures 106,000 square feet, and the company says it doubles its existing manufacturing capacity in the region while leaving room for further expansion. Littelfuse has not stated a capital-investment figure for the site in the cited announcements.
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Production had begun on a wide range of electrical products for renewable-energy systems, data centers, telecommunications, commercial construction and HVAC, as well as OEMs in factory automation and industrial machines. Littelfuse’s stated product scope includes fuse products and industrial circuit protection; the company has not published a full list of specific product models made at this facility.
#1 Best Overall
- Completed assortment of ATO fuses
- Includes 5 of each of the ATO 3A, 5A, 7. 5A, 10A, 15A, 20A, 25A, 30A and 1 tester/puller
- Tester/Puller that tests removes and installs fuses
- Clear plastic reusable package
- Fit type: Vehicle Specific
How many people work there?
Littelfuse says the local team is approximately 1,000 employees. Staffing combines employees from nearby Littelfuse locations with new hires. The company also describes the site as accessible by public transportation and close to daycare, and says it offers career-development and community-outreach opportunities.
What automation and sustainability features are installed?
The plant uses automated systems that Littelfuse says are intended to improve precision, efficiency and customization. The company lists water-treatment processes resulting in zero water consumption, smart air compressors, high-efficiency HVAC, safety relays and LED lighting among the facility’s efficiency and environmental features.
Rank #2
- Ideal for the glove box or trunk offering instant protection in the garage or on the road
- Contains 1 each of 7.5A, 25A, 30A MINI fuses; 10A, 15A LP MINI fuses; 20A, 30A, 40A, 50A JCASE fuses; 30A, 40A LPJCASE fuses
- Contains 2 each of MINI 20A fuses; and 3 each of MINI 10A, 15A fuses
- Includes roadside tester/puller that tests, removes and installs fuses
- Has its own power source that allows it to operate with or without voltage to a maximum of 24 volts
Littelfuse’s 2025 sustainability report says a contaminated-water treatment system at Piedras Negras reduced emissions by over 50% and hazardous waste by 80%. These are company-reported results; the announcement material does not identify an independent audit of the figures.
Quick Recap
Best Value
- Designed to protect the power distribution system of the vehicle
- Constructed from durable material that is corrosion and abrasion resistant
- Protects electrical and electronic circuitry from overheating
- Features miniature design and circuit protection
- Easy Installation
Rank #4
- Contains 1 each: LMIN 7.5A, 10A, 15A, 20A, 25A, 30A Fuses
- Height allows for space and weight savings
- Designed to mate with tuning-fork terminals
- Eliminates the need for female box terminals
Rank #3
- 【Meet all your needed size】-- The fuse kit includes micro size 50pcs, mini size 160pcs and standard size 90pcs. Three styles of auto fuses have 11 current specifications (2A /3A / 5A/ 7.5A/ 10A/ 15A/ 20A/ 25A / 30A/ 35A/40A), equipped with a fuse puller.(Not including micro2 fuse.)
- 【Reasonable quantity matching】-- We increase the number of fuses with commonly used current specifications of 10A/ 15A/ 20A/ 25A, and reduced other kinds of fuses, the fuse assortment can serve as a backup fuse box for cars.
- 【High quality and wide application】-- The fuse is made of environmentally friendly plastic and zinc alloy. The blade fuses are suitable for cars ,RV, truck, motorcycles, boats,SUV, ATV, UTV, Camper RV, Motorcycles, etc.But not for(Ford F,2014 Ram 1500,Hyundai Tucson 2018,RAM 2500,2016 jeep cherokee).
- 【Easy to identify】-- The car fuses of each current specification are distinguished by different colors, and the current specification number is marked on the top of each automotive fuses, which is easy to identify.
- 【Installation Instructions】--Car fuses assortment kit contains fuse installation instructions to help you replace and install the fuse correctly.
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