7010.9914.57

Series:	MKF
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Fuse Type:	Board Mount (Cartridge Style Excluded)
Current Rating:	7A
Voltage Rating - AC:	63V
Voltage Rating - DC:	125V
Response Time:	Fast
Package / Case:	2-SMD, Square End Block
Mounting Type:	Surface Mount
Breaking Capacity @ Rated Voltage:	300A
Melting I²t:	8.5
Approvals:	cURus
Operating Temperature:	-55°C ~ 85°C
Color:	--
Size / Dimension:	0.276" L x 0.100" W x 0.100" H (7.00mm x 2.54mm x 2.54mm)

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Introduction

Fuses are used to protect electrical circuits from damage caused by excess current. They are made of a wire or small strip of metal that melts when current exceeds its rated value, thus breaking the circuit. 7010.9914.57 is a specific type of fuse commonly used in industrial applications.

Application Field

7010.9914.57 is a type of industrial Time-Lag Fuse that is widely used in applications where there is significant transient current, such as motor control and power distribution. It is also used in applications where overcurrent is likely, such as starting and running motors and in circuits with transformer-mounted tap changers. The fuses can be used for a variety of motor control, power distribution, and other electrical applications.

Working Principle

7010.9914.57 operates on the same principal as other fuses, in that a wire or small metal strip in the fuse will melt when the current exceeds its rated value. The time-lag feature of this fuse is its most important characteristic. It is designed to protect circuits from short-term overloads that would otherwise be handled by a Quick Blow fuse. The fuse reacts slowly to transient increases in the current and opens the circuit only if the current stays above the rated value for a certain period of time. This allows motors to start without tripping the fuse, while still protecting against excessive or prolonged overloads.

Advantages

The 7010.9914.57’s time-lag design provides several advantages over other types of fuses. It offers a longer interrupting time for overloads, which helps protect motors and other electrical equipment from fire or damage caused by excessive or prolonged current. The time-lag fuse also prevents nuisance tripping caused by temporary overloads due to motor starting, and it has a high withstand voltage rating that allows it to be used in circuits protected by transformers.

Conclusion

7010.9914.57 is an important type of industrial Time-Lag Fuse. It is designed to protect motors and other circuits from excessive current and short-term overloads that can damage or lead to fire. The time-lag design offers several advantages over other fuse types and is commonly used in motor control and power distribution applications.

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