3403.0162.11

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, UL, VDE
Melting I²t:	0.4
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:	400mA
Fuse Type:	Board Mount (Cartridge Style Excluded)
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are a vital component of any electrical system, providing critical protection from overcurrent conditions and short circuits. A "fuse" is a device that melts to interrupt the flow of electricity when a certain current threshold is reached. The fuse\'s design must provide reliable protection while not presenting a hazard or malfunctioning. The 3403-0162-11 fuses from Phoenix Contact are designed to provide reliable and efficient protection on 400V AC and 500V DC systems.

Applications

The 3403-0162-11 is designed for protecting loads, especially in networked systems. It offers protection from overcurrent conditions that can cause power surges, overheating, and circuit damage. This fuse is UL listed and rated for up to 500V DC, as well as 400V AC. The 820mA current rating and dimensions of 8.8 x 66.4mm make the 3403-0162-11 ideal for protecting numerous applications, such as those involving drives, controls, lighting, and general motor protection.

Construction & Working Principle

The 3403-0162-11 is constructed from thermoplastic polyester, with an operating temperature range of -40°C to +125°C. The fuse has a single center terminal and the fuse element is mounted inside a stainless steel case. The case is then sealed with a transparent lid.Fuses operate by containing a piece of metal (usually lead) and a small amount of conductive material (usually silver) within a tube. When an overcurrent passes through the fuse, the metal heats up and melts, opening the circuit and terminating the current flow.

Conclusion

The 3403-0162-11 fuses from Phoenix contact offer reliable and efficient protection for numerous applications. Their thermoplastic polyester construction, UL listing, 500V DC rating, and 8.8 x 66.4mm dimensions make them ideal for protecting loads from overcurrent conditions. Their operating principle utilizes a metal and conductive material in a tube, which eliminates the current flow when the metal melts due to heat buildup.

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