3AB 5

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	0.02 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, PSE, UL
Melting I²t:	63
Breaking Capacity @ Rated Voltage:	200A
Mounting Type:	Holder
Series:	3AB
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	5A
Fuse Type:	Cartridge, Ceramic
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses are a type of electrical safety device that are designed to protect an electric circuit from damage caused by overload or short circuit. They consist of a metal strip or wire fuse element, of small cross-section in comparison to the circuit conductors, mounted between a pair of electrical terminals, and (usually) enclosed by a non-combustible housing. 3AB Fuses3AB fuses are classified as a "sub-miniature" type of fuse, meaning they are small enough to fit into most existing equipment and, due to their unique design, are also space-saving in environments where space is limited. 3AB fuses have an amperage rating of 125A and can withstand temperatures between -23°C and 82°C. The typical 3AB fuse is 0.41\'\' long by 0.27\'\' in diameter, noted for their brass construction and glass tube-shaped design - this glass tube provides the optimal protection level for the device.5 Application Field and Working Principle3AB fuses are frequently used in the protection of current-carrying electrical components, such as motors, transformers and control circuits, that require high level protection. Its construction ensures that it will open up much faster than a traditional circuit breaker, thus providing an extra level of safety from electrical fires and shocks.The working principle of a 3AB fuse is quite simple - when the current passing through the fuse reaches or exceeds the rated value of the fuse, the heat generated by the current will break the metal strip within the fuse, disconnecting the circuit and stopping the electrical current flow. The design of 3AB fuses eliminates the need for manual resetting after each use, making them an ideal choice in situations where continuous use of the circuit is required.3AB fuses are a necessary component in many industrial and consumer applications. They are designed to be reliable, safe and easy to use, and can provide an extra layer of protection that would otherwise be unavailable. These fuses are great for protecting against shocks and fires, and are well-suited for many different types of electrical equipment.

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