170M6520

Applications:	Electrical, Industrial
Melting I²t:	880000
Size / Dimension:	2.008" L x 2.992" W x 3.622" H (51.00mm x 76.00mm x 92.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	200kA
Operating Temperature:	--
Approvals:	CSA, UR
Class:	--
Features:	Indicating
Series:	--
Response Time:	--
Voltage Rating - AC:	700V
Current Rating:	1.8kA
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Electrical, Specialty Fuses: 170M6520

The 170M6520, or "super rapid-acting fuse," is a special class of fuse utilized for protecting electronic and electrical components and systems from overcurrent. This type of fuse is important as it is designed to respond quickly and reliably to the present over-current media for which standard fuses are not suitable.The 170M6520 fuse has a wide array of applications. It is used to protect components from over-current, to protect against arcing and shorts, to provide automatic isolation protection, and to provide line fault protection. This fuse is also suitable for the protection of AC or DC electronic devices as well as measuring and control circuits. It is often seen in systems that contain inverters and commutator switches.The 170M6520 fuse is available in two basic forms: assembled fuses and raw fuse elements. The assembled fuses are designed to fit within a specific enclosure and include all the necessary accessory parts. The raw fuse elements are simply the fuse terminals attached to wires. Depending on the application, users may choose to purchase the assembled version or separately purchase the elements and install them within the appropriate enclosure.The working principle of the 170M6520 fuse is based on its thermal heat-responsive element. The fuse\'s element is made of a metal alloy that has a high melting point and a low thermal coefficient of resistivity. When an overload current passes through the fuse, heat is generated. As the heat builds, it causes the element to expand and eventually melt. This opens the circuit and thereby prevents any further damage due to the over-current.The time it takes for the element to melt is known as the "holding time,” and is measured from the time the current begins flowing until the element fully melts. This time is an important factor when selecting a fuse for a particular application, as faster-acting fuses protect components better than slower-acting fuses. The 170M6520 fuse is designed to open quickly, usually within milliseconds, and offers superior protection for more sensitive components and circuits.The design and construction of the 170M6520 fuse also serves to minimize the danger of dangerous arcing and sparks. The fuse is designed to operate in a totally sealed environment, and the metal alloy element has a high breaking threshold which helps diminish the risk of sparking and arcing even at greater fault-current levels.In summary, the 170M6520 fuse provides a useful device for protecting electrical devices, systems, and components from damage due to over-current. With its fast-acting thermal element and superior arcing protection, it is a reliable choice for situations where higher levels of protection are needed.

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