5HTP 1.25-R

Package / Case:	5mm x 20mm (Axial)
DC Cold Resistance:	0.14 Ohms
Size / Dimension:	0.217" Dia x 0.827" L (5.50mm x 21.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CCC, CE, CSA, cULus, IMQ, PSE, SEMKO, VDE
Melting I²t:	3
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Through Hole
Series:	5HTP
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	1.25A
Fuse Type:	Cartridge, Ceramic
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Fuses and 5HTP 1.25-R

Fuses are one of the most widely used devices for protecting electrical and electronic equipment against overcurrent and are designed to safely interrupt excess current when present. 5HTP 1.25-R is a type of fuse produced by the ABB group. It is a “High Speed Fuse Link” that is rated for up to 630A and used to protect power electronics circuits and air circuit breakers.

Application Field and Working Principle of 5HTP 1.25-R Fuse

The 5HTP 1.25-R fuse has a wide range of applications in the electrical industry. It is most commonly used to protect air circuit breakers, motor controllers, power electronics circuits, power plants, and photovoltaic (PV) systems. It can also be used in many other industrial and residential applications. The working principle of the 5HTP 1.25-R fuse is based on the melting of a metal element that is designed to interrupt the circuit when an overcurrent is detected. When the fuse senses an overcurrent, it melts and interrupts the circuit. This stops the flow of electricity and protects equipment from potential overcurrent damage.

Advantages of 5HTP 1.25-R Fuse

The 5HTP 1.25-R fuse is highly reliable and provides superior protection. It has a wide temp range (-40°C to +125°C), good electrical characteristics, and a high interrupting capacity. The fuse’s ceramic body also provides excellent heat dissipation, which ensures safe and reliable operation. The 5HTP 1.25-R is also an economical choice for many applications. It is small in size and light in weight, which reduce installation costs and save space. Furthermore, the 5HTP 1.25-R offers superior electrical and thermal properties that extend its application range and make it suitable for use in many applications.

Installation and Maintenance Considerations

Installation and maintenance of the 5HTP 1.25-R fuse are relatively simple and straightforward. It should be installed in an open, ventilated area away from sources of excessive heat, moisture, and dust. The fuse should also be protected from mechanical shock, vibration, and physical damage. Maintenance of the fuse should include periodic inspections to ensure that it is functioning properly and that the contacts are clean and tight. In addition, the open and close forces of the contacts must be inspected and adjusted if necessary.

Conclusion

The 5HTP 1.25-R is a reliable and economical protection device that is suitable for a wide range of applications in the electrical industry. It is highly reliable and provides superior protection against overcurrents. Installation and maintenance of the 5HTP 1.25-R are relatively simple and straightforward and should include regular inspections to ensure its proper functioning.

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Part Number	Manufacturer	Price	Quantity	Description