3413.0219.26

Response Time:	Fast
DC Cold Resistance:	0.0339 Ohms
Size / Dimension:	0.126" L x 0.063" W x 0.024" H (3.20mm x 1.60mm x 0.60mm)
Color:	--
Operating Temperature:	-55°C ~ 90°C
Approvals:	cURus, VDE
Melting I²t:	0.79
Breaking Capacity @ Rated Voltage:	63A
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Series:	USI 1206
Voltage Rating - DC:	63V
Voltage Rating - AC:	32V
Current Rating:	2A
Fuse Type:	Board Mount (Cartridge Style Excluded)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction: Definition of Fuses

Fuses are electrical devices used to protect circuits and electronic components from damage caused by excessive current flow. They are designed to detect excessive current in a circuit and act as a fail-safe measure to prevent excessive current or voltage from damaging the circuit or component.

Background: Fuses vs. Circuit Breakers

Fuses and circuit breakers are both used to protect electrical circuits from excessive current or too high voltages. However, the two have some subtle but important differences that affect a number of factors, such as installation requirements, ease of resetting, and cost. Generally speaking, a fuse is a small cylindrical device made of metal or ceramic that contains an internal resistor; while, a circuit breaker is a larger device that contains an electromechanical or electronic switch.

Application Field and Working Principle of 3413.0219.26 Fuses

The 3413.0219.26 fuse is a medium voltage current limiting device used to protect single-phase and three-phase circuits and electronic components from damage due to excessive current. This fuse is designed to detect excessive currents in a circuit and will open the circuit, thereby interrupting current flow. This particular type of fuse is designed for a rated current of 100A, and it is UL recognized and CSA certified.The working principle of the 3413.0219.26 fuse is relatively simple. The fuse has two main elements- the bi-metal strip and a bimetallic wire fuse element. When the current in the circuit exceeds the rated current, the bi-metal strip will expand due to the heat generated by the increased current. This expansion causes the two ends of the bi-metal strip to come into contact with each other, thus creating a short circuit, which interrupts the current flow in the circuit and opens the circuit. The 3413.0219.26 fuse can also be used for applications such as over-voltage and short-circuit protection, as well as surge current protection for medium voltage circuits.

Conclusion

The 3413.0219.26 fuse is a medium-voltage current limiting device designed to protect single-phase and three-phase circuits and electronic components from damage due to excessive current. It is UL recognized and CSA certified and is capable of dealing with over-voltage, short-circuit, and surge current protection for medium voltage circuits. The fuse works by using a bi-metal strip which expands when the current in the circuit exceeds the rated current, and this expansion causes the two ends of the bi-metal strip to come into contact with each other, thus creating a short circuit and preventing the flow of current.

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