125NHG00B

Applications:	Electrical, Industrial
Melting I²t:	25000
Size / Dimension:	2.126" L x 1.181" W x 1.969" H (54.00mm x 30.00mm x 50.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	120kA
Operating Temperature:	--
Approvals:	CE, VDE
Class:	NH
Features:	Indicating
Series:	--
Response Time:	Fast
Voltage Rating - DC:	250V
Voltage Rating - AC:	500V
Current Rating:	125A
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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125NHG00B Electrical, Specialty Fuses Application Field and Working Principle

125NHG00B electrical fuses are an important form of electrical circuit protection that is widely used in cars, light industrial equipment, and residential and commercial buildings around the world. This product is extremely reliable and can efficiently protect electrical circuits from overcurrent, overload, or short-circuiting accidents. Furthermore, it is also capable of protecting the system from voltage fluctuations, surges, or other voltage-related issues. In this article, the application field and working principle of 125NHG00B electrical, specialty fuses are discussed in detail.

Application Field of 125NHG00B Electrical, Specialty Fuses

125NHG00B electrical fuses are mainly used for the protection of home appliances, charging circuits, automobiles, motor control systems, and other electrical components and systems with a total current exceeding 8A or a voltage exceeding 250V. In motor control applications, 125NHG00B fuses can provide a wide range of intermittent and sustained overcurrent protection to reduce the risk of dangerous electrical accidents and ensure the safety of personnel and equipment. In the automotive industry, they are mainly used in engines, powertrains, fuel systems, starters, alternators, and lights. In addition, they are also used to protect the main power distribution systems in residential and commercial buildings.

Working Principle of 125NHG00B Electrical, Specialty Fuses

125NHG00B electrical fuses operate on the principle of thermal cutoff. The fuse comprises a hollow cylindrical casing containing a metal rod that supports two or more fine wire coils. When the fuse is connected to a circuit, electric current passing through the metal rod causes the wire coils to heat up, generating a magnetic field that pushes against the metal rod. When the current flowing through the fuse reaches the rated current, the metal rod is pushed out of the cylindrical casing, breaking the circuit and interrupting the flow of current. These fuses also have a high degree of safety and reliability, as they are capable of withstanding a wide range of temperatures and environmental conditions. They have a very low amount of electrical resistance when the current is at or below the rated current. Furthermore, the fuse contains a metal strip that is designed to melt when the current reaches the rated current. This melting of the metal strip prevents the problem of arcing, and thus further improves the safety and reliability of the fuse. In addition, the fuse has a high degree of reliability, as it is designed to prevent the circuit from being overloaded or short-circuited. The fuse consists of a hollow metal casing containing a metal rod and multiple wire coils. The structure of the fuse allows it to quickly detect any significant increase in the current flowing through the fuse, and then open the circuit when the rated current is exceeded. This helps protect the circuit from damage due to short-circuits and overcurrent.

Conclusion

125NHG00B electrical, specialty fuses are important circuit protection devices that are widely used in automotive, industrial, and residential applications. They provide reliable overcurrent protection and can help prevent damage from short-circuits and overloads. They operate on the principle of thermal cutoff and contain a metal strip that is designed to melt when the current reaches the rated current. Furthermore, they are designed to withstand a wide range of temperatures and environmental conditions and have a very low amount of electrical resistance when the current is at or below the rated current.

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