What are the exact technical specifications and physical size of these fuses?

These 250V fast-blow glass cartridge fuses measure 5x20mm (0.2 x 0.78 inches). Available in ratings from 0.1 to 20, please check your original fuse specs and holder size carefully before ordering.

What is the difference between a fast-blow and a slow-blow fuse?

Fast-blow fuses open instantly to protect sensitive electronics as soon as current exceeds the rated limit. Slow-blow fuses tolerate brief start-up surges. Always match your device’s original specifications.

What devices are these fast-acting glass fuses typically used for?

They are commonly used in multimeters, small household appliances, battery chargers, audio equipment, and sensitive electronic devices requiring low-current, fast-acting circuit protection.

How can I tell if one of these glass fuses is blown?

Thanks to the clear glass body, you can visually inspect the internal filament. If the metal wire is broken or visibly burnt, the fuse is blown. You can also verify continuity using a standard multimeter.

Can I use a 250V rated fuse in a lower voltage application, like 12V or 120V?

Yes! The 250V rating indicates the maximum voltage the fuse can safely handle. It can safely be used in lower-voltage applications (such as 12V or 120V) as long as the current rating and physical dimensions match.

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2.5 (2.5A) GMA Fast-Blow Glass Fuses, 5x20mm, 250V, Replacement 5 Pack

Product ID: 48031251

Details

AC Adapter Current
2.5 A
Brand
Techman
Material
Glass
Mounting Type
Through-Hole
Voltage
250 volts

⚡2.5A Fast-Blow Current

🔍See-Through Glass Casing

🔧Universal 5x20mm Size

R270

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stay powered, stay protected — fuse your tech fears away!

TECH READY 5 PACK - Always be prepared with five spares—because downtime is not an option.
COMPACT UNIVERSAL FIT - Standard 5x20mm size ensures seamless compatibility across a wide range of devices.
CRYSTAL CLEAR INSPECTION - Transparent glass casing lets you quickly verify fuse status without hassle.
RELIABLE LONG TERM DURABILITY - Sturdy glass and metal caps built to last through multiple replacements and repairs.
INSTANT OVERCURRENT PROTECTION - Fast-acting fuse safeguards your sensitive electronics the moment it counts.

This 5-pack of 2.5A, 250V GMA fast-blow glass fuses offers rapid overcurrent protection for small appliances and electronics. Featuring a universal 5x20mm size and transparent casing for easy inspection, these durable fuses are essential spares for professionals and tech enthusiasts aiming to maintain peak device performance without interruption.

Specifications

ASIN	B074HFG2P6
Best Sellers Rank	#14,346 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Cartridge Fuses
Brand Name	Techman
Color	2.5A
Current Rating	2.5 A
Customer Reviews	4.7 4.7 out of 5 stars (2,551)
Included Components	5 fuses
Item Highlight	For Multimeters, Chargers, Heaters, Lights & Appliances; See-Through Casing, Easy Inspection; Spares for Techs & Repairs
Manufacturer	Techman
Material Type	Glass
Maximum Current	2.5 A
Model	F2.5AL250V
Mounting Type	Through-Hole Mount
Number of Items	5
Part Number	F2.5A250V
UPC	613003147322
Unit Count	5 Count
Voltage	250 volts

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R270

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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