LA070URD32LI0550

Applications:	Electrical, Industrial
Melting I²t:	37
Size / Dimension:	1.874" L x 2.362" W x 2.598" H (47.60mm x 60.00mm x 66.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA
Operating Temperature:	--
Approvals:	UR
Class:	--
Features:	--
Series:	POWR-GARD® LA
Response Time:	Fast
Voltage Rating - AC:	700V
Current Rating:	550A
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

LA070URD32LI0550 is a type of electrical specialty fuse. It is commonly used in a wide range of applications, such as motor control, hazardous environment, and power distribution. This type of fuse has an advantage over traditional non-specialty fuses as it offers greater protection from circuit overloads, high-voltage faults, and current disturbances. In this article, we will explore the application field and the working principle behind LA070URD32LI0550.

Application Field

LA070URD32LI0550 is ideal for use in motor control applications. Whenever the circuit’s current exceeds its maximum allowable threshold, the fuse will melt to reduce the amount of current flowing through the circuit. This prevents the motor from stalling or burning out, protecting it from damage.LA070URD32LI0550 is also suitable for use in hazardous environments. Its current-limiting action will reduce the chances of an arcing fault, protecting both personnel and equipment alike from its high-energy sparks.LA070URD32LI0550 is also widely used in power distribution applications. Its current-limiting action prevents the fuse from blowing out too quickly, protecting it from damage due to high levels of current.

Working Principle

LA070URD32LI0550 works by using a fuse link to limit the amount of current that flows through the circuit. The fuse link is a thin wire that melts when the current flowing through it surpasses its maximum allowable threshold. This interrupts the flow of current through the circuit, protecting it from damage.When a voltage is applied to the fuse link, a small amount of current will flow through it. If the current is too high, the fuse link will become too hot and melt, breaking the circuit.The melting of the fuse link is known as an interrupting action and its rate of melting varies depending on the type of fuse that is used. The rate of melting can vary from extremely slow for slow-blow fuses, to instantaneous for fast-blow fuses. This rate of melting determines how quickly the fuse will cut the circuit off once it goes over its maximum allowable current threshold.

Conclusion

LA070URD32LI0550 is a type of electrical specialty fuse that is commonly used in a wide variety of applications. Its current-limiting action protects circuits from overloads, high-voltage faults, and current disturbances. The fuse is made up of a fuse link that melts when the current exceeds its maximum allowable threshold, interrupting the circuit and protecting it from damage. Understanding the application field and the working principle behind LA070URD32LI0550 is important for anyone who needs to install or use this type of fuse.

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