03122.25MXP

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	0.0594 Ohms
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, KC, PSE, UL
Melting I²t:	7.2
Breaking Capacity @ Rated Voltage:	100A
Mounting Type:	Holder
Series:	312
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	2.25A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are one of the essential components in electrical systems and are designed to open and close an electrical circuit if it experiences a dangerous level of current. The 03122.25MXP fuses are particularly suitable for the protection of electrical and electronic equipment in the commercial and industrial applications. This article looks at the application field and the working principle of the 03122.25MXP fuses.

Application Field

The 03122.25MXP fuse is designed for use in a variety of applications, including:

• Continuous duty of air-conditioning equipment in larger buildings
• Process controllers for pumps in manufacturing
• Controllers for lift motors in commercial buildings
• Power supplies for air compressors
• Interrupt/isolation circuits for power distribution equipment

The 03122.25MXP is also suitable for use with a range of other equipment, such as medical devices, audio equipment, smoke detectors and fire alarms.

Working Principle

The 03122.25MXP fuses utilize a simple yet effective working principle based on the melting of a metal alloy. They are designed to trip (open) if the current passes through a wire carrying an excessive amount of current. The current overload causes the metal alloy in the fuse to melt, thus breaking the circuit and stopping the current flow. Once the alloy has melted and the current stopped, the device can no longer be used and needs to be replaced.The 03122.25MXP fuse is designed to withstand a certain level of current depending on the rating of the fuse. A rating of 8A would be suitable for a circuit with a normal current of 7A, while a rating of 20A would be suitable for a circuit with a normal current of 18A.

Conclusion

The 03122.25MXP fuses are a versatile and effective product for protecting electrical and electronic equipment against dangerous levels of current. They utilise a simple melting principle, which allows them to trip when the allowed current is exceeded, thus preventing potential damage to the equipment and safeguarding the user. The 03122.25MXP is suitable for use in a wide range of applications, including medical equipment, audio equipment, smoke detectors and fire alarms.

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Part Number	Manufacturer	Price	Quantity	Description