Fast-Acting Glass Fuse 30mm (Multiple Ratings)
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Prices updated: 13 Oct 2026
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About this product
A 30 mm fast-acting glass fuse that protects circuits and equipment from overcurrent. It is available in current ratings from 500 mA to 20 A, and its glass body allows you to see whether the element has blown.
Specifications
- Type
- Fast-acting glass
- Size
- 30 mm
- Current ratings
- 500mA, 1A, 1.5A, 2A, 2.5A, 4A, 5A, 6A, 7A, 8A, 12A, 13A, 15A, 20A
Frequently asked questions
Can I use this 30 mm fuse in a 20 mm holder?
No. The 30 mm fuse is a different size and needs a holder designed for 30 mm fuses. Use a 20 mm fuse in a 20 mm holder.
How do I choose the right current rating?
Choose a rating above the normal operating current of the circuit and below the maximum current the wiring and components can safely carry.
