Eaton 4A F Glass Cartridge Fuse, 6.3 x 25mm

This cartridge fuse is designed for use in various electronic applications, characterised by its fast-acting nature. The 4A fuse has a physical size of 6.3 x 25mm, making it suitable for a variety of devices that require reliable protection against overcurrent. With a voltage rating of 250V AC, this product adheres to the UL 248-14 fuses standard and the BS2950A fuse standard, ensuring safety and compliance in electrical circuits.

• Fast-acting design for prompt response to overcurrent
• Standard 6.3 x 25mm size for versatile compatibility
• Constructed of durable glass for increased visibility and safety
• Nickel-plated brass endcap for enhanced conductivity
• Suitable for electronic instruments and small appliance circuits
• UL Listed certification assures adherence to safety standards

• Used with electronic circuit boards to protect sensitive components
• Suitable for small household appliances to prevent overload
• Ideal for instrumentation equipment requiring reliable overcurrent protection
• Employed in automation systems to ensure operational safety

For current ratings between 1/16 and 30A, the fuse opens within a minimum of 4 hours at 110% of its rated current. At 135% of the rating, the maximum opening time is 60 minutes, while at 200% of the rating, it opens within a maximum of 5 seconds for smaller ratings and 2 minutes for larger ratings.

The fuse does not have a specific installation orientation, but it is advisable to ensure proper alignment within the fuse holder to maintain electrical integrity and functionality.

The typical DC cold resistance for this fuse is measured at 0.021 to 0.028 Ω, which is crucial for ensuring that the fuse operates effectively within specified limits and improves overall circuit reliability.

Eaton formerly known as Bussmann