0034.4344

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	--
Current Rating:	2A
Voltage Rating - AC:	125V
Response Time:	Fast
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	--
Approvals:	--
Operating Temperature:	--
Color:	--
Size / Dimension:	0.252" Dia x 0.346" H (6.40mm x 8.80mm)

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Fuses: 0034.4344 Application Field and Working Principle

Fuses – or circuit breakers – are valuable safety items in the electrical make-up of many items of equipment. They are also key components in home and vehicle wiring, and they are essential for providing over-current protection to the wiring system, as well as thus to other attached devices.

What is a Fuse?

A fuse is an electrical safety device which disconnects a circuit when it detects an overload of current or short circuit. It works by melting a metal filament inside the fuse when the maximum temperature is reached. When the filament melts, it creates an open circuit and all power to the device is cutoff.Fuses come in a variety of sizes, shapes, and applications, depending upon the application. Some fuses are more robust and can handle more current than others, while others are designed to handle lower amounts of current. The most common type of fuse found in both residential and commercial settings is the 0034.4344.

0034.4344 Application Field

The 0034.4344 fuse is a time-delay integrated circuit breaker (ICB) type fuse that features a dual-element design. This dual-element design allows for both current limiting protection and time delay protection. The 0034.4344 is commonly used in lighting, heating, and air conditioning installations in both residential and commercial settings. It is generally designed to be used with solid brass or nickel-plated contacts, and is UL rated.The 0034.4344 is a dual-element, time-delay integrated circuit breaker type fuse, with the purpose of providing overload and short circuit protection for resistive and inductive loads. It provides both current limiting protection and time delay protection, while meeting the industry standards of UL 1077, NEC 308, 417 and other requirements.

0034.4344 Working Principle

The 0034.4344’s dual-element design works to provide protection without the side of nuisance trips. It works by providing current-limiting protection with the 1st element, and time-delay protection with the 2nd element. It does this by providing extra time for voltage transients, or inrush currents, to be removed from the system before the fuse trips to dissipate the fault.The 1st element is a bi-metallic strip that warps when heat is generated by a short circuit or an overload. The 2nd element is a gas chamber filled with an inert gas that provides time delay protection. When the bi-metallic strip warps, the gas chamber triggers, which begins to heat up the inert gas. When the gas reaches a certain temperature, the fuse will trip and all electrical power is cut-off. The 0034.4344 fuse can also be used as an extra layer of protection for cables and equipment with additional over-current safety devices. A fuse in series with a contactor can provide protection for the contactor and any downstream equipment from current overloads.

Conclusion

The 0034.4344 fuse is a valuable safety component for both residential and commercial settings. It is a dual-element circuit breaker integrated with time delay protection for resistive and inductive loads. It also provides current limiting protection and can be used as an extra layer of protection for cables and attached equipment. With proper installation and adherence to safety protocols, the 0034.4344 fuse can help ensure the safety and security of both homes and businesses.

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