What does “fast blow” mean?

"Fast blow" means the fuse will rupture immediately or quickly. There are also "slow blow" fuses that can substain short electrical surges without blowing.

They are fuses for my Christmas lights i think my lights are the C4

Basically yes. They are .78 and 3/4 would be .75

Will this work in my aeg radio made in germany in 1957? my fuse says m 0.8/2500 ?

Not sure of the German measurements. What do they stand for? Size? Amps? Volts?

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COOLOOdirect 5A 5A 125V 5x20mm F5A Glass Fuses Pack of 10

Product ID: 752264546

Details

AC Adapter Current
5 Amps
Brand
SIXQJZML
Item dimensions L x W x H
5 x 5 x 20
Material
Glass
Voltage
125 Volts

⚡5A current rating

🔋125V voltage capacity

🔍5x20mm precise glass tube

106.28 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Fuse your fears—power up with protection that never quits!

COMPACT 5 X 20 MM DESIGN - Standardized size fits seamlessly into a wide range of electrical equipment and DIY projects.
CRYSTAL CLEAR DURABLE GLASS - High-quality glass construction ensures visible fuse status and long-lasting durability under stress.
RELIABLE 5 A OVERCURRENT PROTECTION - Safeguard your devices with precision-rated 5 Amp fuses designed to prevent costly electrical damage.
BULK PACK OF 10 FOR CONTINUOUS SAFETY - Never run out—keep your home, hobby, or office circuits protected with this value pack.
TRUSTED BY THOUSANDS WITH 4 6 ⭐ RATING - Join a community of savvy users who rely on COOLOOdirect for dependable circuit protection.

The COOLOOdirect 5A 125V Glass Fuses come in a pack of 10, featuring a durable 5x20mm glass tube design that provides quick-blow overcurrent protection. Ideal for home, hobbyist, and electrical equipment use, these fuses ensure circuit safety by interrupting excessive current flow, preventing damage and fire hazards. Trusted by thousands with a 4.6-star rating, they offer reliable, visible, and compact protection in a convenient bulk package.

Specifications

ASIN	B07L8JDG7R
Brand Name	SIXQJZML
Country of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (4,078)
Item Dimensions	5 x 5 x 20 Millimeters
Item Weight	0.01 Ounces
Manufacturer	COOLOOdirect
Material Type	Glass
Maximum Current	5 Amps
Model Number	13c564ab-320d-46d7-8f58-af7d1c6a07b5
Mounting Type	Through-Hole Mount
Part Number	125vfuse10pcs-5A
UPC	786705448063
Voltage	125 Volts

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106.28 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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