FLNR450.XXID

Response Time:	Slow
Size / Dimension:	2.594" Dia x 10.374" L (65.90mm x 263.50mm)
Package / Case:	Cylindrical, Blade Terminals
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	200kA AC, 20kA DC
Operating Temperature:	--
Approvals:	CE, CSA, QPL, UL
Class:	RK5
Features:	Indicating
Applications:	Electrical, Industrial
Series:	POWR-GARD® FLNR_ID
Voltage Rating - DC:	125V
Voltage Rating - AC:	250V
Current Rating:	450A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

FLNR450.XXID is one of the newer electrical specialty fuses created by Cooper Bussmann. They are specifically designed to protect low voltage systems and applications from over-current conditions. They are well suited for applications that require a rapid blow time, high breaking capacity, as well as higher interrupting ratings than standard fuses provide. A further benefit of the FLNR450.XXID fuses is their ability to provide surge protection. They are suitable for both inductive and resistive loads, making them an ideal choice for a wide range of applications.

Application Field

FLNR450.XXID fuses are well-suited for use in applications with low voltage systems and with higher breaking capacity requirements. The fuses also offer protection against surges, making them useful for motor control applications and other uses that may be exposed to voltage transients. The fuses can be used to protect circuits ranging from 120 to 600 Volts AC and are suitable for both inductive and resistive loads. One of the key benefits of these fuses is their high breaking capacity. They are designed to provide superior protection in a variety of low voltage applications. The fuses can also be used in control circuit protection applications where over-current protection may be needed. Additionally, these fuses are designed to provide protection against motor burnout due to repeated cycling of the motor controls.

Working Principle

FLNR450.XXID electrical fuses are designed to provide a high level of protection in a variety of low voltage applications. These fuses use a combination of current-limiting fuse technology and fast-blow time characteristics to provide the best possible protection for low voltage systems. Current limiting fuses utilize a special construction where the fuse element has a pre-set fuse link which has a higher electrical resistance than the surrounding material. When current exceeds the pre-set limit, the fuse link melts, allowing the current to pass through until it is interrupted by an external mechanism. This design helps to protect the circuit from the damaging effects of over-current conditions. The fast-blow time characteristics of the fuses provide quick interruption of current if there is a surge or other overload in the system. The fast-blow time increases the chances of the fuse providing protection against damage caused by an over-current condition.

Conclusion

FLNR450.XXID fuses provide high levels of protection to low voltage systems in a variety of applications. These fuses are designed to offer superior protection against surges and over-current conditions and are suitable for both inductive and resistive loads. The fuses offer a fast-blow time characteristic and superior breaking capacity, making them an ideal choice for many low voltage applications.

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