Cole Hersee Fuse Blocks
Cole Hersee Fuse Blocks: Century-Proven Circuit Protection
When electrical reliability matters most — on the water, on the road, or in a heavy-duty vehicle — Cole Hersee has been the name professionals reach for since 1924. As a brand that helped shape the very industry standards it still adheres to today, Cole Hersee brings a century of electrical engineering expertise directly to its line of fuse blocks. Whether you're wiring a recreational boat, a commercial vessel, or a heavy-duty truck, these fuse blocks are engineered to handle the job with confidence.
What Sets Cole Hersee Fuse Blocks Apart
Cole Hersee fuse blocks are built around the core demands of harsh operating environments. Their common hot-feed fuse blocks feature nickel-plated phosphor-bronze fuse clips alongside solid brass bus bars, terminals, and terminal screws — materials chosen specifically for their resistance to corrosion and long-term conductivity. These blocks accept standard AGC, ATC, and ATO blade-style fuses and are available in multiple circuit configurations, from compact 4-circuit units up to 12-circuit blocks, making them scalable for everything from a simple accessory circuit to a complex multi-device electrical system.
A standout design detail is the snap-on insulating cover included with many models. This cover protects circuit integrity, features label recesses for circuit identification, and even includes a spare fuse holder — a thoughtful touch for anyone who has ever needed a fuse in the middle of a job. Blade terminals on select models allow quick installation of spade wire terminals, and many units support 6V, 12V, 24V, and 32V systems, making them highly versatile across different vehicle and vessel electrical architectures.
Common Hot Feed and Standard Series Options
Cole Hersee's fuse block lineup covers two main families. The Common Hot Feed Fuse Blocks provide a shared positive feed point and are the go-to choice for centralized accessory wiring, where multiple circuits branch from a single supply. The Standard Series Fuse Blocks — available in ATO configurations with integrated negative bus bars — are RoHS-compliant and offer a continuous current rating of 100A with up to 30A per circuit, making them a cost-effective solution for DIY boat or vehicle builds as well as professional installations. Interchangeability is also a key feature: Cole Hersee fuse blocks are designed to be interchangeable with other blocks of the same gang count, simplifying upgrades and replacements in existing wiring harnesses.
A Legacy Behind Every Block
Cole Hersee — today a Littelfuse company — has been a pioneer in heavy-duty electrical components since its founding in 1924, collaborating on foundational industry standards and supplying OEM manufacturers across marine, commercial vehicle, construction, and agricultural sectors. That institutional knowledge flows into every fuse block they produce. When you choose Cole Hersee, you're not just buying a fuse holder — you're installing a component engineered to the same standards trusted by boatbuilders and fleet operators worldwide.
Browse the full fuse blocks category to explore all available options, or visit the Cole Hersee brand page to discover their complete lineup of marine and heavy-duty electrical components.