7025.5140 Circuit Protection

Series:	MAT
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Fuse Type:	Cartridge, Ceramic
Current Rating:	6A
Voltage Rating - AC:	500V
Voltage Rating - DC:	250V
Response Time:	Slow
Package / Case:	Cartridge, Non-Standard
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	100kA AC, 10kA DC
Approvals:	--
Operating Temperature:	-40°C ~ 55°C
Color:	--
Size / Dimension:	0.551" Dia x 1.969" L (14.00mm x 50.00mm)

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Introduction

Fuses or fuse elements are utilized to protect electrical circuits from overcurrent, which occurs when the load is greater than the fuse rating. The 7025.5140 application field and working principle is a type of fuse element, traditionally used in household and industrial mains wiring application. It is a one-time fusible link between two or more conductors, designed to be irreparably damaged when the current passing through it exceeds its rated current.

Operating Characteristics

The 7025.5140 fuse element has a dual rating of 16 A/250 VAC and 14 A/300 VAC. It has a conical shaped body, creating an intentional contact area which is greater than the contacts connected to the fusible element. The body is made from brass, coated with tin. It consists of an element link, anchored at both ends by supporting material. Contacts are maintained by the two pins connecting the terminals. The fuse element also has an indicator cap, which shows a visible change in color when the element has melted due to current overload.

Working Principle

The working principle of the 7025.5140 fuse element can best be described in terms of how it works when there is an over-current situation. When the current passing through the fuse element exceeds its rating, the protective body of the fuse element melts and the fusible element link within it becomes disconnected. The melted conical body acts as an intentional point of contact between the two conductors and disconnects them from each other, thus preventing further over-current and protecting the rest of the circuit.

Advantages

The 7025.5140 fuse element offers many advantages over other types of fuse elements. It has a high breaking capacity of 6000 A in its rated voltage range, which is higher than that of many other fuse elements. It also has a low arcing time (3 ms) and excellent resistance to voltage spikes. The fuse assembly is also resilient and durable due to the brass material used in it which has a good corrosion and oxidation resistance. In addition, the tin coating on the enclosed fusible link prevents current leakage and has superior performance over other materials.

Applications

The 7025.5140 fuse element is suitable for use in various industries and applications such as household mains wiring, power outlets, commercial and industrial wiring, HVAC (heating, ventilation, and air conditioning) systems. It is also suitable for electrical appliances, LED lighting, power cables, and other electrical equipment. It is also used in the automotive industry, as it offers the protection for car batteries in the event of current overload or short circuit.

Conclusion

In conclusion, the 7025.5140 fuse element is a reliable and effective safety device for protecting electrical circuits in various industries and applications. The fuse element can provide efficient overcurrent protection and has a high breaking capacity. The tin coating and conical body offer additional protection and make the 7025.5140 a cost-effective and reliable method of protecting electrical circuits from overcurrents, short circuits, and voltage spikes.

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