0255.250NRT3

Voltage Rating - DC:	125V
Size / Dimension:	0.095" Dia x 0.280" L (2.41mm x 7.11mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Through Hole
Package / Case:	Axial
Response Time:	Fast
Series:	PICO® 255
Voltage Rating - AC:	125V
Current Rating:	250mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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0255.250NRT3 Application Field and Working Principle

Fuses are an indispensable part of all kinds of systems, from industrial systems to household electrical systems. The 0255.250NRT3 fuse is no exception – it is a reliable fuse for application in medium voltage circuits. It is characterized by its self-resetting, switch-like behavior for protection of overcurrents. This article will discuss its application field and working principle, to help its user better understand how it functions.

Application Field of 0255.250NRT3 Fuse

The 0255.250NRT3 fuse is designed for application in medium voltage circuits, operating up to 2.4 kV AC or DC. It is suitable for overcurrent protection of rectifier bridges, feeders, cable trunks and distribution systems, for the protection of transformers, motor circuits and even of renewable power sources. Due to its high current rating of 250A, it is suitable for installations with normal overload requirements.

Working Principle of 0255.250NRT3 Fuse

The working principle of the 0255.250NRT3 fuse is quite simple. It consists of a calibrated element which is connected in series with the circuit. When an overcurrent occurs, the element heats up and melts, thus interrupting the circuit. The cool time of the fuse element and the possibility of self-restoring enable the 0255.250NRT3 to provide reliable short-circuit protection.

Key Benefits of 0255.250NRT3 Fuse

The 0255.250NRT3 fuse offers a number of advantages and features, making it a preferred choice for medium voltage applications. Here are some of the key benefits of this fuse:

• Self-resetting after interrupting the circuit.
• Reliable overcurrent protection of circuits.
• Fast response time.
• Cable trunk contacts prevent accidental opening of the fuse.
• Interchangeable with standard IP20 fuses.

The 0255.250NRT3 fuse provides good short-circuit protection with its self-resetting element which is able to interrupt and restore the circuit quickly. It is suitable for various medium voltage applications including feeders, transformers, motor circuits and renewable power sources. Thanks to its interchangeable contacts with standard IP20 fuses, it is an ideal choice for medium voltage systems.

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