LA70QS5004K

Response Time:	Fast
Size / Dimension:	2.000" Dia x 2.843" L (50.80mm x 72.20mm)
Package / Case:	Cylindrical, Blade Terminal (Bolt)
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA AC, 100kA DC
Operating Temperature:	--
Approvals:	CSA, UR
Class:	--
Features:	--
Applications:	Electrical, Industrial
Series:	POWR-GARD® LA70QS
Voltage Rating - DC:	700V
Voltage Rating - AC:	700V
Current Rating:	500A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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My first thought when I think of LA70QS5004K is how versatile it is. This fuse is used in a wide range of fields, from residential and industrial electronics, to automotive and aerospace. The LA70QS5004K Fuse can be used in both alternating current (AC) and direct current (DC) circuits and provides reliable overload and short-circuit protection in host systems.LA70QS5004K fuses are designed to conform to Japanese Industrial Standard (JIS C5050) for 1-phase plug and socket-outlets, making them suitable for a wide range of applications. It is available in various sizes, with current ratings from 2A to 35A, and voltage ratings from 125V to 250V. The fuse is also RoHS compliant, making it a safe and reliable device that can be used in a variety of sensitive type applications.The LA70QS5004K is a low-breaking capacity fuse, which means that it will open to protect the connected components when the current through it exceeds its rated value. This feature makes it an ideal choice for protecting circuits in the presence of short-circuits and other potentially hazardous electrical conditions in the system. The fuse also features an indicator disk that is designed to visually indicate if the fuse has been opened due to an over-current situation. This disk changes color when an overload occurs, providing a visual indication that the fuse has opened and needs to be replaced.The LA70QS5004K fuse has a simple working principle. In a normal condition, current flows through the fuse without any interruption because of no contact between the electrical contacts and it has a low voltage drop. When a short circuit or overload happens, the contacts in the fuse get heated up by the surge of current and fuse open by the detachment of the contacts.At high current—that is, above the rated value of the fuse—the contacts inside the fuse heat up due to the high current, and the energy generated melts the contacts. This causes the contacts to detach from each other, thus breaking the circuit and protecting the other components in the system.To ensure optimal performance, LA70QS5004K fuses come with an indicator flag that changes colour when there is an overload or short circuit in the system. This allows the user to visually identify if the fuse has opened, and replace it if necessary.In conclusion, the LA70QS5004K fuse is a versatile, low-breaking capacity fuse that is widely used in industrial, residential, automotive and aerospace applications. It is RoHS compliant, making it an environmentally friendly device. It works by melting internal contacts when a short-circuit or overload happens, and the indicator disk provides a visual indication when the fuse has opened due to an over-current situation.

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