298907-010

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Introduction to Fuseholders

Fuseholders are a type of safety device used to prevent overcurrent and overvoltage failures in a variety of electronic devices, wiring systems, and circuit boards. They are designed to accept conventional and specialty fuses, with different sizes and ratings depending on the application and typical working environment. The 298907-010 is a popular, low-profile fuseholder designed by Siemens, for use in a variety of applications.

Design and Specifications

The 298907-010 is a standard panel mount fuse holder. It is a single-circuit holder with a black molded body and a silver-plated contact at each end. It is compatible with standards 1/4” and 5/16” diameter, break-away fuses and accepts open- and closed-end fuses up to 6mm long. The holder is rated from to 20 Amps at 250 Volts AC, and is designed to withstand up to 1,500 cable pulls to withstand the shear forces required in support of wire runs. It has an operating temperature range of -25°C to +85°C and is UL approved.

Applications

The 298907-010 fuse holder is used in a variety of applications, from industrial electronics and automotive vehicles to marine systems and lighting equipment. It is used to protect electrical circuits and components from overcurrent and overvoltage damage in circuits where secure, reliable fuse protection is needed.

Installation and Maintenance

Installation of the fuse holder is simple and straightforward. Use a standard drill bit to drill the mounting hole, then insert and secure the holder in place. For added protection, a waterproof washer or gasket is available and should be used on all outdoor applications. To replace a fuse, simply remove the old fuse and insert the new one in its place. The fuse holder should be inspected periodically to ensure proper mating and secure retention of the fuse.

Working Principle

The 298907-010 fuse holder works through the principle of thermal time-delay. When a current greater than its rated maximum flows through the fuse holder, the conductor’s resistance heats up, causing the fuse to open up and prevent further flow of current. The time-delay feature of the fuse holder ensures that short-term overcurrents are by-passed, while longer duration overcurrents are stopped. The fuse holder works in tandem with circuit breakers and surge protectors to provide reliable short-circuit protection and overvoltage protection.

Conclusion

The 298907-010 fuse holder is an ideal choice for low-profile fuse protection needs. Its design and specifications make it suitable for use in a range of applications, from industrial electronics to automotive vehicles. Its thermal-time delay protection principle ensures reliable and safe protection of electrical circuits and components against overcurrent and overvoltage damage, while its easy installation and maintenance make it an attractive choice for any application.

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