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The Mersen A4J3 is a 600V 3A Class J fuse designed for reliable performance in low voltage applications. This fast-acting fuse provides enhanced protection by limiting current during faults.
Ideal for use in various electrical applications, including capacitors, load centers, panelboards, and switchboards.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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