0217.630MXBP

Series:	217
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge, Glass
Current Rating:	630mA
Voltage Rating - AC:	250V
Response Time:	Fast
Package / Case:	5mm x 20mm
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	35A
Melting I²t:	0.41
Approvals:	CCC, CE, CSA,KC, SEMKO, UL, VDE
Operating Temperature:	-55°C ~ 125°C
Color:	--
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
DC Cold Resistance:	0.19 Ohms

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<p>Fuses are electrical safety devices that are used to protect circuits from damages due to overload and short circuits. The 0217.630MXBP is a fuse manufactured by Littelfuse that is specifically designed for medium-voltage, air-insulated switchboards in high-rise buildings. It provides a high level of protection from short circuits and also helps to ensure operational reliability and safety for the switchboards. In this article, we will discuss the application field and working principle of the 0217.630MXBP fuse.</p><h2>Application Field</h2><p>The 0217.630MXBP fuse is a medium-voltage fuse designed for high-rise buildings. It is UL-listed for use with high voltage systems and is suitable for installation in air-insulated, medium-voltage switchboards. It is suitable for a variety of applications, including motors, transformers, isolation switches, and capacitors. The fuse is also suitable for air-break and circuit-breaker applications.</p><p>The fuse is often used in combination with other protective devices to provide further levels of protection. These include circuit breakers, current transformers, surge arresters, and earth leakage current sensors. The fuse is also designed to limit the current in case of short-circuit currents and provide over-current protection. The fuse is able to withstand high inrush currents and offers a high level of protection against induced transient over-voltage surges.</p><h2>Working Principle</h2><p>The 0217.630MXBP fuse works on the principle of a thermal element that automatically breaks the current flowing in a circuit when the current is too high. The fuse is composed of two conductors made of a metal alloy. When current flows through the conductors, they heat up due to their resistance to the passed current. When the temperature of the conductors reaches a certain level, the metal alloy melts, breaking the current and preventing further damage to the circuit.</p><p>The 0217.630MXBP fuse also has a time-delay feature. This feature allows the fuse to delay the interruption of the current for a few seconds before it actually breaks the circuit. This delay feature allows time for the switching and protection devices to operate correctly, preventing any permanent damage to connected electrical equipment.</p><p>The 0217.630MXBP fuse is an efficient, reliable, and cost-effective way to protect electrical circuits and equipment. It offers a high level of protection from short circuits and can limit the current in case of large short circuit currents. It is also designed to protect against induced transient over-voltage surges.</p>

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