0447005.Y

Response Time:	Fast
DC Cold Resistance:	0.018 Ohms
Size / Dimension:	0.430" L x 0.150" W x 0.404" H (10.92mm x 3.81mm x 10.26mm)
Color:	--
Operating Temperature:	-40°C ~ 125°C
Approvals:	CSA, METI, UL
Melting I²t:	25
Breaking Capacity @ Rated Voltage:	100A AC, 50A DC
Mounting Type:	Through Hole
Package / Case:	Radial, Box
Series:	447
Voltage Rating - DC:	125V
Voltage Rating - AC:	350V
Current Rating:	5A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are important devices that give protection to systems from power surges, overloading and short-circuiting. One such device is the 0447005.Y, which is a solid-state fused switch. It is designed for use in applications where the need for a power switch and a fuse is required, such as on electronic systems. This article will focus on the application field and working principle of the 0447005.Y fused switch.

Application Field of 0447005.Y

The 0447005.Y fused switch is suitable for applications that require both power switching and current protection. It offers the feature of allowing the system to power up through the switch, while protecting it from overloading and short-circuits. It is used in low voltage/high current systems, such as automotive, bus, UPS, and electrical control systems.This fused switch is available with both red and black housings, and has a 0.3 A rated current switch and a 60 A rated fuse. It also has an LED indicator, which gives a visual indication of the status of the power supply. It features a variety of mounting options, including snap-locking and screw mounting, making it suitable for a variety of applications.

Working Principle of 0447005.Y

The 0447005.Y fused switch works by using a circuit breaker or fuse in combination with a power switch. When the fuse gets overloaded, the circuit breaker/fuse will be activated and will cut off power to the system. The switch will remain locked in the off position until the reset button is pressed. It also features a thermal trip function, which is activated when the temperature of the circuit exceeds its limits.When the switch is activated, it will give a visual indication that the power supply is safe by illuminating the LED indicator. If the fuse becomes overloaded again, the LED will turn off and the circuit breaker/fuse will be reset for another cycle.

Conclusion

The 0447005.Y fused switch is an important device for electronic systems that require protection from power surges, overloading and short-circuiting. Its application field is wide, with it being suitable for automotive, bus, UPS, and electrical control systems. It also features a thermal trip function to prevent damage caused by overheating and an LED indicator to help visually confirm the status of the power supply.

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