3403.0160.24 Circuit Protection

Response Time:	Slow
Size / Dimension:	0.398" L x 0.118" W x 0.118" H (10.10mm x 3.00mm x 3.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CQC, cURus, KC, VDE
Melting I²t:	0.2
Breaking Capacity @ Rated Voltage:	200A AC, 35A DC
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Square End Block
Series:	UMT 250
Voltage Rating - DC:	125V
Voltage Rating - AC:	250V
Current Rating:	250mA
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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3403.0160.24 Fuses Application Field and Working Principle

Fuses are electrical safety devices that protect the circuit from over current and over voltage situations. In general, the fuse is an efficient device to prevent the danger caused by electric shock or overcurrent.3403.0160.24 fuses are slow-acting, lower-voltage, plug-type fuses that are used to protect switchboard and motor circuits.

Application Field

• Circuit protection for Class I, Division 1, two-speed motors
• Inverters, transformers, and general low-voltage applications
• Power circuits of electric devices in explosive atmosphere
• Protect the wires and electric devices from overload and short circuit
• Applications in high temperature and high pressure environment

Working Principle

The working principle of the 3403.0160.24 fuse is very simple. The fuse contains a calibrated metal strip, which bridges two metal contact points in a circuit. When the circuit is operating normally, the current flows through the fuse and the contacts both remain open. However, when the circuit receives over-current or over-voltage, the strip will heat up and expand due to the increased resistance it is caused by the current. This causes the strip to eventually break, thus disrupting the current flow and preventing it from overheating and damaging the circuit. The fuse element takes the brunt of the damage in this situation, since the heating up of the element causes it to expand and eventually break. This is why fuses are called “sacrificial” elements, since they take the damage in order to protect the circuit.

Conclusion

Fuses are an essential part of any circuit, especially ones that require higher levels of protection. By using the 3403.0160.24 fuse, you can have the assurance that if any surges or over-currents happen on your circuit, it will be diverted around the fuse without causing any harm to your equipment or the electrical wiring. By understanding the application field and working principle of the 3403.0160.24 fuse, you can make sure that your electrical systems are well-protected and that you keep your equipment and wiring as safe as possible.

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