0287020.L

Package / Case:	Blade, ATO/ATC
DC Cold Resistance:	3.38 Ohms
Size / Dimension:	0.752" L x 0.201" W x 0.484" H (19.10mm x 5.10mm x 12.30mm)
Color:	Yellow
Operating Temperature:	-40°C ~ 105°C
Approvals:	UL
Melting I²t:	520
Breaking Capacity @ Rated Voltage:	1kA
Mounting Type:	Holder
Series:	ATOF®
Response Time:	--
Voltage Rating - DC:	32V
Current Rating:	20A
Fuse Type:	Automotive
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: 0287020.L Application Field and Working Principle
A fuse is an electrical device designed to interrupt the flow of electric current in the event of an overcurrent or short circuit, hence protecting the circuit from hazardous voltage spikes and excessive currents that can result in permanent damage and potential fire hazard. The 0287020.L fuse is a common, low voltage, time-delay fuse used in industrial and commercial applications, such as industrial control panels, medical equipment, and communications and computer equipment.The 0287020.L fuse has a rated current of 20 amps, meaning it can safely carry a maximum current of 20 amps without tripping the fuse. It also features a voltage rating of 250 volts and a time-delay of 200 milliseconds, making it specially designed for inductive circuits and to protect the circuit from the in-rush current that happens during motor start-up, motor cycling, and capacitor switching. Lastly, the 0287020.L also has an ignition voltage of 6.5 volts and an interrupting current rating of 10 kiloamps.The time-delay feature of the 0287020.L fuse is essential to its proper operation. In normal electrical operation, these types of fuses are triggered by currents that exceed their rated value and immediately trip the switch, effectively shutting down the circuit and protecting it from further damage. However, when the 0287020.L fuse is subjected to the in-rush current that occurs during motor start-up or during capacitor switching, the fuse will be triggered but with a measured delay that allows the start-up to cycle before the fuse trips and shuts the circuit down.The 0287020.L also has an in-built protective element that helps prevent dangerous voltage spikes. When the fuse is subjected to an electrical overload, this protective element begins to melt until it eventually breaks, thus interrupting the flow of electricity through the circuit. This helps protect against dangerous electrical shock and, in extreme cases, fire.The 0287020.L fuse is typically used in commercial applications such as industrial switching, UPSs, and uninterruptible power supplies, medical equipment, communications and computer equipment, and process control systems. In addition to its primary purpose of circuit protection, it can also help minimize downtime in these applications, preventing costly repairs due to a complete meltdown of the circuit.Overall, the 0287020.L is an essential electrical component designed specifically to keep circuits safe from overcurrent and short circuit dangers. Its time-delay feature allows for motor and capacitor switches to cycle without shutting down the circuit, while its in-built protective element helps minimize the risk of dangerous voltage spikes and fire hazards. The 0287020.L fuse is an ideal component for industrial and commercial applications, providing the necessary circuit-protection against hazardous current overloads.

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Part Number	Manufacturer	Price	Quantity	Description