0324.250H

Response Time:	Fast
DC Cold Resistance:	1.95 Ohms
Size / Dimension:	0.275" Dia x 1.288" L (6.99mm x 32.72mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CSA, UL
Melting I²t:	0.014
Breaking Capacity @ Rated Voltage:	35A AC, 10kA DC
Mounting Type:	Through Hole
Package / Case:	3AB, 3AG, 1/4" x 1-1/4" (Axial)
Series:	324
Voltage Rating - DC:	125V
Voltage Rating - AC:	250V
Current Rating:	250mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction of 0324.250H Fuses

The 0324.250H fuse is a current limiting device, specifically designed to provide short circuit protection to medium voltage power supply systems. It carries a UL Standard 248-14 listing and is in compliance with UL 248-14 regulation. Its basic function is to protect electrical circuits by limiting the amount of current, in case of a short circuit occurrence. The fuse is equipped with two chambers to be installed in a power system connection and act as a safety switch in case of a short circuit in the system. Furthermore, 0324.250H fuses are equipped with built-in surge suppression elements for additional protection.

Application Fields of 0324.250H Fuses

The 0324.250H fuses are usually used in medium voltage power supply systems, i.e. they can be employed as protection against short-circuit or overload conditions in:

• High voltage electrical systems
• Industrial power supply lines and Cables
• Bus systems
• Facility Distributions systems
• Heavy Equipment
• SCADA systems
• Transmission distribution processes

Working Principle of 0324.250H Fuses

The 0324.250H fuse works in a two-step manner in order to protect the equipment in an electrical system. Initially, during a short-circuit occurrence, the melting element of the device melts down quickly due to the excess current flowing through the system. As the melting element melts, the contacts in the device mechanically divert and disconnect the circuit from the system, thus isolatiing it from the hazardous condition. Therefore, the whole amount of current does not pass through the system barriers and no harm is caused to the respective parts. Moreover, the device contains a surge suppression element that works to dissipate energy when a short-circuit situation arises. When a voltage surge occurs, it triggers the surge suppression element that opens the contacts and initiates the flow of current, thus dissipating the extra energy. This element, in combination with the melting element, affords a high level of protection from hazardous voltage levels and the occurrence of electric arcs.

Benefits of 0324.250H Fuses

The 0324.250H fuse is a cost effective solution for medium power supply protection and brings numerous advantages when used in the respective applications:

• It provides reliable and secure short circuit protection
• The device reduces the risk of hazardous accidents
• The built-in surge suppression element ensures additional protection from electric arcs
• It complies with UL 248-14 regulations
• The device is lightweight and easy to install
• It offers enhanced protection in both single and double pole applications
• The fuse ensures safe and efficient protection of equipment and data in the case of a short circuit
• It is durable and cost effective.

Conclusion

In short, the 0324.250H fuse is an essential device for medium power supply systems protection. It guarantees high standards of safety and provides an effective solution for protecting against hazardous short-circuits or overloads. Moreover, with its UL listing and additional surge suppression element, it is an ideal device for safe operation of power systems.

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