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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Part Details Brand Current Rating Fuse Type Blade Size Voltage Rating Colour Length Width Height Overall Dimensions Body Material Fuse Speed Minimum Operating Temperature Maximum Operating Temperature Series Operating Temperature Range Breaking Capacity at Maximum Voltage Rating UL Class Size Designation
RS PRO 5A Tan Car Fuse, 32V RS Pro 5A Blade - 32V Tan 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
RS PRO 3A Violet Car Fuse, 32V RS Pro 3A Blade - 32V Violet 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
Cooper Bussmann 16A Grey Ultra Rapid Automotive Fuse, 400V ac With Indicator Cooper Bussmann 16A Ultra Rapid - 400V ac Grey 36mm 11mm - 11 Dia. x 36mm - - - - NZ01 - 50 kA @ 400 V ac D01 IEC 60269, VDE 0636
Cooper Bussmann 16A Grey Ultra Rapid Automotive Fuse, 400V ac With Indicator Cooper Bussmann 16A Ultra Rapid - 400V ac Grey 36mm 11mm - 11 Dia. x 36mm - - - - NZ01 - 50 kA @ 400 V ac D01 IEC 60269, VDE 0636
RS PRO 3A Violet Car Fuse, 32V RS Pro 3A Blade - 32V Violet 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
RS PRO 5A Tan Car Fuse, 32V RS Pro 5A Blade - 32V Tan 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
RS PRO 7.5A Brown Car Fuse, 32V RS Pro 7.5A Blade - 32V Brown 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
RS PRO 7.5A Brown Car Fuse, 32V RS Pro 7.5A Blade - 32V Brown 19.1 5mm 12.2mm 19.1 x 5 x 12.2mm Plastic - -20°C +105°C ATQ -20 → +105 °C - - -
Blue blade automotive fuse,15A 32V RS Pro 15A Blade Regular 32V Blue - 5mm 18.5mm - - - -55°C +125°C - -55 → +125 °C - - -
Littelfuse 25A White Car Fuse, 32V dc Littelfuse 25A Blade ATO 32V dc White 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Littelfuse 10A Red Car Fuse, 32V dc Littelfuse 10A Blade ATO 32V dc Red 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Littelfuse 1A Black Car Fuse, 32V dc Littelfuse 1A Blade ATO 32V dc Black 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Green blade automotive fuse,30A 32V RS Pro 30A Blade Regular 32V Green - 5mm 18.5mm - - - -55°C +125°C - -55 → +125 °C - - -
Tan blade automotive fuse,5A 32V RS Pro 5A Blade Regular 32V Tan - 5mm 18.5mm - - - -55°C +125°C - -55 → +125 °C - - -
Littelfuse 5A Brown Car Fuse, 32V dc Littelfuse 5A Blade ATO 32V dc Brown 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Yellow blade automotive fuse,20A 32V RS Pro 20A Blade Regular 32V Yellow - 5mm 18.5mm - - - -55°C +125°C - -55 → +125 °C - - -
Littelfuse 15A Blue Car Fuse, 32V dc Littelfuse 15A Blade ATO 32V dc Blue 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Littelfuse 3A Purple Car Fuse, 32V dc Littelfuse 3A Blade ATO 32V dc Purple 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Littelfuse 2A Grey Car Fuse, 32V dc Littelfuse 2A Blade ATO 32V dc Grey 19.1mm 5.1mm 12.3mm - PA 66 F -40°C +150°C - -40 → +150 °C 1000 A - -
Littelfuse 30A Green Car Fuse, 32V dc Littelfuse 30A Blade Mini 32V dc Green 10.9mm 3.8mm 8.8mm - PA 66 F -40°C +125°C - -40 → +125 °C 1000 A - -
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