Car Fuses

What are car fuses?
Car fuses, also called automotive fuses, are a type of fuse that protect the electronics within a vehicle from short circuit or overcurrent. If too much current flows into the circuit, the fuse will blow and disconnect the circuit.

When a fuse 'blows' or burns out, the piece of wire that runs through the fuse melts. When the wire melts, the circuit is broken. This protects the electrical systems within the car, any attached devices, and ultimately gives you protection against electric shocks. Car fuses are typically one use. Once they have blown they will need replacing.

Why are fuses important?
Car fuses are a low-cost safety device that protect electronics, wiring and integrated devices within your vehicle. With an increasing amount of electronics incorporated into each car, fuses are vital to safeguard drivers and passengers.

What are blade fuses?
Blade fuses (sometimes called bladed fuses or spade fuses) are the most common type found in modern cars and lorries. They have a plastic body and metal prongs that fit into the sockets. Blade fuses are easy to install into a fuse box or fuse holders as they are a simple push-in component. There are four common blade fuse sizes:
• Maxi blade fuses (APX fuses) are the biggest type of car fuse. They have the highest amperage rating and are suited to heavy duty applications.
• Regular blade fuses (APR, ATC or ATO fuses) are the most popular and are suited to low voltage applications.
• Mini blade fuses (APM or ATM fuses) are smaller than regular blade fuses and cover a similar amperage range.
• Micro blades fuses are the smallest type of blade fuse and cover a smaller range of amperage. They are available with two or three prongs.

Why are blade fuses different colours?
Blade fuses utilise a standard colour coding system that shows what their current rating is. This can help you to easily find and replace a fuse within your car.

Other types of car fuse:
While most modern vehicles use blade fuses, other types are available. Many older vehicles still use 'Bosch' style or ceramic fuses (also called torpedo, ATS or GBC fuses). Classic car restorations often still require these older types of fuses.

Link fuses are also commonly found within vehicles. These are used for higher current and higher power applications. These are available as strips, or as 'midi link fuses' or 'mega link fuses' (depending on size). Link fuses are normally bolted down in place within a fuse box or fuse holder.

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Description Price Current Rating Fuse Type Blade Size Voltage Rating Colour Length Width Height Overall Dimensions Includes Indicator Body Material Fuse Speed Minimum Operating Temperature Maximum Operating Temperature
RS stock no. 337-7937
Mfr. Part No.155.0892.6101
BrandPudenz
R 121.85
Each
units
100 A CF - 58 V dc - 23.5mm 11.5mm 20mm - - Ceramic F - -
RS stock no. 431-6696
Mfr. Part No.153.5631.5401
BrandPudenz
R 38.566
Each (In a Pack of 5)
units
40 A BF1 - 32 V dc Green 42mm 12mm 8mm - - Thermoplastic T - -
RS stock no. 787-4126
Mfr. Part No.0287002.PXCN
BrandLittelfuse
R 3.082
Each (In a Pack of 10)
units
2 A Blade ATO 32 V dc Grey 19.1mm 5.1mm 12.3mm - - PA 66 F -40°C +150°C
RS stock no. 878-1296
Mfr. Part No.0298300.ZXH
BrandLittelfuse
R 154.88
Each
units
300 A Time Delay - 32 V dc - 29.2mm 19.05mm 10.72mm 29.2 x 19.05 x 10.72mm - PPA T -40°C +125°C
RS stock no. 563-740
BrandRS PRO
R 1.428
Each (In a Pack of 10)
units
3 A Blade Regular 32 V dc Violet - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 787-4110
Mfr. Part No.0287001.PXCN
BrandLittelfuse
R 3.274
Each (In a Pack of 10)
units
1 A Blade ATO 32 V dc Black 19.1mm 5.1mm 12.3mm - - PA 66 F -40°C +150°C
RS stock no. 563-778
BrandRS PRO
R 3.228
Each (In a Pack of 10)
units
5 A Blade Regular 32 V dc Tan - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 337-7915
Mfr. Part No.155.0892.5501
BrandPudenz
R 150.90
Each
units
50 A CF - 58 V dc Grey, White 23.5mm 11.5mm 20mm 23.5 x 20 x 11.5mm - Ceramic F - -
RS stock no. 787-4101
Mfr. Part No.0287010.PXCN
BrandLittelfuse
R 3.082
Each (In a Pack of 10)
units
10 A Blade ATO 32 V dc Red 19.1mm 5.1mm 12.3mm - - PA 66 F -40°C +150°C
RS stock no. 894-9596
Mfr. Part No.0498040.M
BrandLittelfuse
R 34.836
Each (In a Pack of 5)
units
40 A Bolt Down - 32 V dc Green 16mm 12mm 8mm 16 x 12 x 8mm - Thermoplastic T -40°C +125°C
RS stock no. 563-744
BrandRS PRO
R 3.228
Each (In a Pack of 10)
units
10 A Blade Regular 32 V dc Red - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 563-750
BrandRS PRO
R 2.773
Each (In a Pack of 10)
units
15 A Blade Regular 32 V dc Blue - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 219-3564
Mfr. Part No.0299030.TXN
BrandLittelfuse
R 16.679
Each (In a Pack of 10)
units
30 A Blade Maxi 32 V dc Green 29.21mm 8.85mm 34.29mm - - Plastic T -40°C +125°C
RS stock no. 431-6703
Mfr. Part No.153.5631.5501
BrandPudenz
R 34.074
Each (In a Pack of 5)
units
50 A BF1 - 32 V dc Red 42mm 12mm 8mm - - Thermoplastic T - -
RS stock no. 563-762
BrandRS PRO
R 1.551
Each (In a Pack of 10)
units
20 A Blade Regular 32 V dc Yellow - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 337-7993
Mfr. Part No.155.0892.6301
BrandPudenz
R 109.83
Each
units
300 A CF - 58 V dc - 23.5mm 11.5mm 20mm - - Ceramic F - -
RS stock no. 563-766
BrandRS PRO
R 2.773
Each (In a Pack of 10)
units
30 A Blade Regular 32 V dc Green - 5mm 18.5mm - - - - -55°C +125°C
RS stock no. 894-9584
Mfr. Part No.0299050.ZXNV
BrandLittelfuse
R 29.55
Each (In a Pack of 5)
units
50 A Blade - 32 V dc Red 29.21mm 8.85mm 21.59mm 29.21 x 8.85 x 21.59mm - PA 66 T -40°C +125°C
RS stock no. 563-570
BrandRS PRO
R 5.224
Each (In a Pack of 10)
units
15 A Blade Mini 32 V dc Blue - 3.8mm 16.5mm - - - - -55°C +125°C
RS stock no. 787-4136
Mfr. Part No.0287020.PXCN
BrandLittelfuse
R 3.322
Each (In a Pack of 10)
units
20 A Blade ATO 32 V dc Yellow 19.1mm 5.1mm 12.3mm - - PA 66 F -40°C +150°C