049403.5NRHF Circuit Protection

Series:	494
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	3.5A
Voltage Rating - AC:	32V
Voltage Rating - DC:	32V
Response Time:	Fast
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	35A
Melting I²t:	0.4306
Approvals:	CSA, UR
Operating Temperature:	-50°C ~ 90°C
Color:	--
Size / Dimension:	0.063" L x 0.032" W x 0.012" H (1.60mm x 0.81mm x 0.31mm)
DC Cold Resistance:	0.015 Ohms

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

049403.5NRHF Fuses Application Field and Working Principle

Fuses, regardless of their type and application field, have the same working principle. The most common fuse type is the circuit breaker. The circuit breaker works by providing a circuit path that breaks when a certain amount of current is reached. When this happens, the circuit breaker prevents further current from flowing through the circuit and protects the electrical equipment from damages caused by overloading or short circuits.049403.5NRHF fuses are a type of fuse specifically designed for high voltage applications, such as industrial and commercial buildings, motors, pumps and transformers. These fuses are rated for 600 volts, and can handle up to 40,000 amperes of current. They are available in different time delay ratings, including 60 seconds, 2 minutes and 5 minutes, and come in either Mantis jaws or plug-in models. The Mantis fuse jaws are designed to grip the fuse securely and keep it in place even when subjected to vibration.The 049403.5NRHF fuse has two primary components: the fuse element and the conductor. The fuse element is made of a metal, ceramic or other material that can conduct electrical current while withstanding high temperatures. The fuse conductor is constructed of stainless steel, aluminum or copper, depending on the application.When the current running through the 049403.5NRHF fuses exceeds the rated level, it causes the fuse element to heat up due to resistance. As the heat builds up and the fuse element reaches its melting point, the element breaks and a current cannot pass through anymore. This is the working principle of a fuse. The conductor is there to protect the fuse element from breaking due to an overload of current and thereby protects the circuit from damages. The main advantage of the 049403.5NRHF fuses is their high current rating. This makes them suitable for motors and transformers where the running current may exceed the rating of the other types of fuse. Additionally, the stainless steel or aluminum conductors on these fuses make them suitable for use in wet or humid environments, as these metals are resistant to corrosion. As they are resistant to vibration, these fuses can also be used in applications where the environment is prone to vibration, such as industrial machinery. The 049403.5NRHF fuses are UL listed and certified for use in industrial and commercial settings. Furthermore, they are rated for three time delays—60 seconds for motor protection, 2 minutes for transformers and 5 minutes for loads with low starting current. This provides flexibility in selecting the right fuse for the application. In summary, 049403.5NRHF fuses are an excellent choice for high voltage applications. They have a high current rating, are UL listed and rated for different time delays, and are resistant to vibration and corrosion. They provide effective protection for the equipment from overloading and short circuit, and can be used in industrial and commercial settings.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description