Applications:	Electrical, Industrial
Melting I²t:	150000
Size / Dimension:	1.969" L x 2.087" W x 2.598" H (50.00mm x 53.00mm x 66.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA
Operating Temperature:	--
Approvals:	CE, CSA, UR
Class:	--
Features:	Indicating
Series:	--
Response Time:	--
Voltage Rating - AC:	700V
Current Rating:	900A
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Electrical, Specialty Fuses: 170M4069 Application Field and Working Principle

Specialty fuses are an important class of electrical components. They are widely used in modern electrical systems because of their superior performance and high reliability. The 170M4069 is a specialty fuse designed for the secure protection of delicate electrical or electronic circuits and components. This article provides an overview of the application field and working principle of the 170M4069.

Application Field

The 170M4069 is a medium-high amp rating, one-time blow, type III special fuse. It is designed to safely protect higher-capacity single and three-phase circuits, and is UL-listed for typical commercial and industrial applications. It is suitable for high-voltage (1000 Vac max), high-current (30 A max) applications. It is also suitable for a variety of other applications such as motor circuits, air conditioners, generators, pumps, motors, solenoids, and resistive loads.

Working Principle

The 170M4069 is a one-time blow fuse, meaning that once it is subjected to an overload condition, it will blow, disconnecting the circuit and protecting the device it is designed to protect. When a low current, such as a normal operation current, passes through the fuse, the fusible element remains intact. However, when an excessive current passes through the fuse, the element will heat up and expand. At this point, the fusible link will reach its melting point and burn, thus disconnecting the circuit and protecting the device from damage.

Advantages

The 170M4069 is a reliable, high-capacity fuse that offers many advantages to designers and users. Its superior protection capabilities ensure that the fuse can protect an electrical or electronic circuit from both short circuits and overloads. It also has a high voltage and current rating, which makes it suitable for a variety of applications. Additionally, the fuse has a fast response time, which ensures that it quickly responds to an excessive overload condition. Finally, it is UL-listed, meaning that it has undergone significant testing and is proven to be safe and reliable in operation.

Conclusion

The 170M4069 is an important specialty fuse designed for the secure protection of delicate electrical or electronic circuits and components. It offers superior protection capabilities in high-current, high-voltage applications and is UL-listed, making it a safe and reliable choice for designers in need of a reliable, high-capacity fuse.

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Part Number	Manufacturer	Price	Quantity	Description