Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	0.033 Ohms
Size / Dimension:	0.250" Dia x 1.252" L (6.35mm x 31.80mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cURus, PSE
Melting I²t:	21
Breaking Capacity @ Rated Voltage:	200A
Mounting Type:	Holder
Series:	3AG
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	3A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses

3AG 3-R Application Field and Working Principle

Fuses are an important type of protective device used to protect electric circuits from damage due to overcurrent, an overload or short circuit. A fuse is an electrically conductive device fitted into an electrical system that connects two wires or terminals in series and acts as a conductor of electricity when the current flowing through the fuse is above a certain predetermined value. It’s essentially a type of breaker designed to open the circuit when the current exceeds a certain level. Fuses are typically rated by current, voltage, and time-delay characteristics. They are used to protect electrical wiring, equipment, and components from damage due to excessive current, and are indispensable in the electrical industry.3AG type 3-R fuses are a type of general purpose fuses used in most residential and commercial electrical applications. This type of fuse has a fast-acting, size 3, standard 3AG-size body, with a time-delay characteristic to provide a greater level of circuit protection against both overloads and short circuits. The 3AG 3-R fuse has two different time-delay values, 0-2 seconds and 2-10 seconds, and is available in current ratings from 1 to 30 amps.The working principle of 3AG 3-R fuses is based on the presence of a conductive element inside a ceramic body that melts when an overcurrent passes through it. The fuses are also equipped with a coil of wire (or spring) that is designed to react to current increases and blow the fuse when the current passes the predetermined threshold.When an overload or short circuit occurs, the current increases beyond the fuse\'s rated parameters. The fuse wire or spring is designed to expand due to the increased current. This increase in current causes a chain reaction—the fuse wire expands, the other components inside the fuse expand, and the fuse body eventually melts. This process rapidly removes the electrical connection and prevents the surge of current from destroying the electrical components in the circuit.Because of the time-delay feature, if a fault is caused by an overload, the current will continue to flow for a certain period of time before the fuse blows. This time-delay feature is designed to prevent unnecessary excursions and circuit shutdowns due to temporary surges in current or voltage.Because of their versatility, 3AG 3-R fuses can be used in a variety of applications, including air conditioning systems, vending machines, pumps, electric boilers, commercial and residential lighting, refrigeration systems, and electric motors. They are essential for providing reliable protection against overloads and short circuits.A 3AG 3-R fuse is a cost-effective solution for providing protection against overcurrents and short circuits. When compared to other types of fuses, 3AG 3-R fuses are up to 20% less expensive. Additionally, these fuses are easier to install compared to other types of fuses, making them a popular choice for smaller systems.3AG 3-R fuses are designed to be both safe and reliable. Their time-delay feature ensures appropriate circuit protection, while their low cost and easy installation make them a cost-effective solution for any electrical application. Therefore, it can be concluded that 3AG 3-R fuses are an essential component in today\'s electrical systems, providing reliable protection against overloads and short circuits for a variety of applications.

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Part Number	Manufacturer	Price	Quantity	Description