Standard Auto Blade Fuse for Automotive Circuit Protection & Replacement

Introduction

Auto Blade Fuse is a compact, widely used current-limiting component designed for automotive electrical systems, offering reliable overcurrent and short-circuit protection. With its plug-in design and color-coded ratings, it efficiently safeguards car circuits like headlights, audio systems, and power windows. Suitable for 12V DC automotive applications, it’s easy to install and replace, making it essential for both original equipment and aftermarket maintenance.

Key Features of Auto Blade Fuse

Auto Blade Fuse is recognized for its compact size, user-friendly design, and reliable performance. It features a flat, blade-like structure made of zinc alloy or copper with a flame-retardant plastic housing (UL94 V0-rated), ensuring resistance to high temperatures during overloads. The plug-in terminals enable quick, tool-free installation into standard blade fuse holders, while color-coding by amperage (e.g., 5A=tan, 10A=red, 15A=blue) allows for instant identification. Most Auto Blade Fuses have an interrupting rating of 10,000A at 12V DC, providing effective protection against sudden short circuits in automotive circuits.

Application Fields of Auto Blade Fuse

Auto Blade Fuse is the primary circuit protection component in the automotive sector. It safeguards various electrical systems in passenger cars, SUVs, pickup trucks, and commercial vehicles, including headlights, taillights, turn signals, audio systems, air conditioners, power windows, and dashcams. It’s also used in motorcycles, ATVs, RVs, and marine vessels with 12V DC electrical systems, protecting circuits from damage caused by overcurrent due to wiring faults or component malfunctions. Additionally, it finds applications in small off-road vehicles and recreational equipment that rely on automotive-style electrical setups.

Application Industries of Auto Blade Fuse

The automotive manufacturing industry integrates Auto Blade Fuses as standard components in new vehicles, complying with safety standards like ISO 8820-5. The automotive aftermarket is a major consumer, supplying replacement fuses for vehicle maintenance and repair—often sold in multi-packs covering common amperage ratings. The motorcycle and powersports industry uses specialized Auto Blade Fuses for two-wheeler electrical systems. The RV and marine industry incorporates them into 12V DC circuits of campers, boats, and yachts. Additionally, the automotive accessories sector includes Auto Blade Fuses in DIY electrical upgrade kits for car enthusiasts.

Auto Blade Fuse Model Specifications and Parameters

Parameter ItemSpecification
Product TypeAuto Blade Fuse (ATO/ATC Type)
Voltage RatingDC 12V (Typical), DC 24V (Heavy-Duty Variants)
Current Rating Range1A – 40A (Common Ratings: 5A, 10A, 15A, 20A, 25A)
Interrupting Rating10,000A at 12V DC
Body MaterialHousing: Flame-Retardant Plastic; Element: Zinc Alloy/Copper
Terminal TypePlug-In Blade Terminals
Operating Temperature Range-40℃ to 125℃
Safety CertificationsUL, CE, RoHS, ISO 8820-5

For automotive professionals and DIY enthusiasts, Auto Blade Fuse is a must-have component for circuit protection and maintenance. Its compact design, color-coded ratings, and easy installation make it a convenient and reliable choice. By selecting the correct amperage rating for each circuit, Auto Blade Fuses ensure the safety and stability of automotive electrical systems, preventing costly damage to components and reducing the risk of electrical fires.

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