0251.375PF001L

Response Time:	Fast
DC Cold Resistance:	0.395 Ohms
Size / Dimension:	0.110" Dia x 0.280" L (2.80mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UR
Melting I²t:	0.0296
Breaking Capacity @ Rated Voltage:	50A AC, 300A DC
Mounting Type:	Through Hole
Package / Case:	Axial
Series:	PICO® II 251
Voltage Rating - DC:	125V
Voltage Rating - AC:	125V
Current Rating:	375mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Fuses are electrical products used to protect electrical systems and devices from overcurrents and short circuits. 0251.375PF001L fuses are also known as Class RK5 fuses. They are designed as UL approved and have a current rating of up to 80A. They are typically used for controlling motors in pumps, fans and conveyors, as well as providing surge protection and as an emergency backup in case of a power failure.

Design & Construction

The 0251.375PF001L fuses feature a dual-element, slow-blow design and are usually made with an all-metal body that is powder-coated for better protection against corrosion and oxidation. It also features parallel links to improve the stability of the fuse, as well as two ceramic-based contact barriers that ensure a good electrical connection between the two contact elements. Additionally, the fuse is also designed to use a copper environmental shield to protect against dust and other contaminants.

Working Principle

0251.375PF001L fuses are designed to protect circuits and equipment from overcurrents. It works by measuring and controlling the amount of current that passes through the circuit. When the current passes through them, they act as a heat-sensitive fuse, which causes the metal contacts to open up and break the electrical connection. This prevents any further current from passing through the circuit, reducing the risk of damage to the system.

Application Field

0251.375PF001L fuses are suitable for applications in a variety of motor and equipment control systems. They are commonly used in pumps, fans, motors, and conveyors, as well as providing surge protection for circuits and equipment. Additionally, they can be used as an emergency backup in case of a power failure, helping to ensure the continuity of the system.

Advantages & Disadvantages

The primary advantage of 0251.375PF001L fuses is their ability to protect circuits and equipment from overcurrents. They are also designed with UL-approved, all-metal construction and provide good electrical connection between the two contact elements. Additionally, they are designed for easy installation due to their powder-coated finish and parallel links.However, 0251.375PF001L fuses have some shortcomings as well. They tend to be more expensive than other types of fuses, and their dual-element design increases the amount of time it takes for the circuit to respond to an overcurrent. Additionally, their size can make them difficult to install in tight spaces, such as in motor control panels.

Conclusion

In conclusion, 0251.375PF001L fuses are a reliable and cost-effective solution for protecting electrical circuits and equipment from overcurrents. They are UL-approved, and their all-metal construction provides good protection against corrosion and oxidation. Additionally, their dual-element, slow-blow design makes them suitable for a variety of applications, including pumps, fans, motors, and conveyors. With their easy installation and reliable performance, 0251.375PF001L fuses are sure to provide excellent protection for any motor control system.

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