BK1-S505H-6.3-R

Response Time:	Slow
DC Cold Resistance:	0.011 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	-40°C ~ 85°C
Approvals:	CCC, cULus, PSE/JET, TUV
Melting I²t:	111.4
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Holder
Package / Case:	5mm x 20mm
Series:	S505H
Voltage Rating - DC:	400V
Voltage Rating - AC:	600V
Current Rating:	6.3A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are devices that are used to protect electrical circuits from short circuits and overloads. They are designed with specific current ratings and time delays to accommodate different types of loads. The BK1-S505H-6.3-R fuse is a popular mid-range fuse that is designed for use in a variety of applications. In this article, we will look at the application field and working principle of the BK1-S505H-6.3-R.

Application of the BK1-S505H-6.3-R

The BK1-S505H-6.3-R is a mid-range fuse suitable for a variety of applications. It is most commonly used as an overvoltage protection device in electrical equipment, particularly those intended for industrial or commercial use. This includes circuit breakers, transformers, motors, lighting systems, and other heavy-duty devices.The BK1-S505H-6.3-R also has applications in low-voltage systems. It can be used to protect equipment such as computers, printers, medical devices, and home-automation systems. Furthermore, it is suitable for use as a supplement to standard circuit-breakers in industrial and commercial circuits.The BK1-S505H-6.3-R is designed to be used in circuits with a voltage range of 300V to 600V AC. This ensures it is suitable for a wide range of applications.

Working Principle of the BK1-S505H-6.3-R

The BK1-S505H-6.3-R uses the thermal-magnetic principle of operation. This means that the fuse\'s effectiveness is a combination of both heat dissipation and magnetization.When a short circuit or overload occurs, the temperature of the circuit will begin to rise. This causes the fuse to heat up, increasing the resistance in the circuit. As the temperature increases, a magnetic ferrite component begins to attract and move the fused link. This movement increases the arc distance between the fuse elements, and reduces the current flow to an acceptable level. When the temperature is reduced, the magnetic field weakens, allowing the fuse to cool and reset itself.

Conclusion

The BK1-S505H-6.3-R fuse is a mid-range fuse suitable for a wide range of applications. It is designed to be used in circuits with a voltage range of 300V to 600V AC. Furthermore, it uses the thermal-magnetic principle of operation, allowing it to protect against both short circuits and overloads.

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