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Condition:
Factory New
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Learn more:
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MFR:
RPI
Ships from Manufacturer
- MPN: RPF509
- Phone: (800) 221-9723
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Frequently asked questions
Is this fuse designed for fast-acting protection?
Yes, these are specifically engineered as fast-acting fuses. This means they are designed to blow immediately upon detecting an overcurrent, offering the rapid circuit protection necessary to safeguard your sensitive equipment.
Can I easily inspect the fuse element?
Absolutely. Because these fuses feature a clear glass body, you can easily perform a visual inspection of the internal wire element to determine if the fuse has blown without needing any extra diagnostic tools.
Does this follow standard industry dimensions?
Yes, these fuses adhere to the common industry-standard size of 5mm in diameter by 20mm in length. This ensures broad compatibility with a wide range of standard fuse holders found in diagnostic and testing equipment.
Are these fuses rated for 250V applications?
Yes, they are precisely rated for 250V applications with a specific current rating of 2/5 Ampere (0.4A). This ensures they provide the exact protection level required for your electrical shop aids.
How many fuses are included in the package?
Each order includes a convenient package of 5 individual fuses. This is ideal for stocking your maintenance bench, ensuring you always have spare components on hand for quick repairs.
Is this suitable for general electrical repair?
Yes, these are perfect for use in diagnostic equipment, general electrical testing apparatus, and various maintenance tasks. They are designed to meet the requirements of professionals working with electrical components.
Are these factory-new, reliable electrical components?
Yes, these are factory-new components manufactured to provide reliable performance. They are designed to act as a consistent safety barrier for your equipment, ensuring high-quality protection.
Can these be used as dependable replacement parts?
Certainly. The RPI RPF509 is intended as a direct replacement part for General Shop Aids. It is built to restore your equipment to its intended safety standards.
Do you offer these in larger kits?
If you are looking for a wider variety of protection options, this component is also available as part of the RPI RPK520 Fuse Kit, which includes a selection of fuses suitable for diverse maintenance needs.
How does this prevent damage during surges?
The fast-acting design is critical for performance; by reacting instantly to sudden electrical surges or overloads, this fuse sacrifices itself to stop the current, effectively preventing more significant or costly damage to your machinery.

RPI RPF509 Fuse (2/5A, 250V) - 5Mm X ...