0263.250M

Package / Case:	Axial
DC Cold Resistance:	0.715 Ohms
Size / Dimension:	0.155" Dia x 0.280" L (3.94mm x 7.11mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UR
Melting I²t:	0.0165
Breaking Capacity @ Rated Voltage:	50A
Mounting Type:	Through Hole
Series:	PICO® II 263
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	250mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	--

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Introduction

Fuses are electrical safety devices used to prevent overcurrent conditions in electrical devices. Fuses protect circuits from damage due to short circuits and overloads of current. The 0263.250M Fuse has various application fields and a unique working principle that make it suitable for certain kinds of circuits.

Application Fields

The 0263.250M Fuse is a high current, 200A, IEC rated fuse, making it suitable for use in a variety of high current, AC and DC, industrial and process control applications. It can be used on alternative energy, battery banks, digital and analog control systems, industrial machinery and motors, lighting systems, residential and commercial power systems, solar systems, and UPS systems.

Construction

The 0263.250M Fuse is constructed with a high-temperature red plastic body and silver-plated contacts. The fuse is rated to operate at temperatures between -55° C and +125° C and is UL listed and CSA approved. The fuse has a voltage rating of 250 volts AC or DC.

Working Principle

The working principle of the 0263.250M Fuse is based on the melting of an internal fuse element. When the fuse element reaches a certain temperature due to excess current, it melts to interrupt the flow of power and protect the device from further damage. Once the fuse element melts, it must be replaced with a new one.

Advantages

The 0263.250M Fuse offers a number of advantages. It is relatively lightweight and compact, making it easy to install and maintain. It is also designed to be a fast acting fuse, meaning that it will respond quickly to dangerous current levels and help protect components in the circuit. Finally, the fuse is designed for long life, so it can provide reliable protection for a long period of time.

Disadvantages

Though the 0263.250M Fuse has many useful features, there are some drawbacks to consider. The fuse is not designed to be tamper-resistant. If the fuse is not properly rated for the application, it can fail to protect the circuit since it is not designed to reset itself after a fault. Additionally, the fuse cannot detect faulty insulation or defective equipment connected to the circuit, so a proper assessment of the circuit before installation is necessary for safety and reliability.

Conclusion

The 0263.250M Fuse is a high current, 200A IEC rated fuse that is suitable for a variety of high current AC and DC industrial and process control applications. It is constructed with a high temperature red plastic body and silver-plated contacts and is rated to operate at temperatures between -55°C and +125°C. The working principle of the fuse is based on the melting of an internal fuse element, which helps protect the device from further damage due to excess current. Although the 0263.250M Fuse has some drawbacks, it is a reliable and efficient safety device that can provide protection against dangerous current levels.

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