0218.500H

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.37 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	BSI, CSA, SEMKO, UL, VDE
Melting I²t:	2.9
Breaking Capacity @ Rated Voltage:	35A
Mounting Type:	Holder
Series:	218
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	500mA
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: 0218.500H Application Field and Working Principle

Fuses are electrical components that help to protect the electrical system from overloads that can occur due to electrical surges, shorts or other events. The 0218.500H Fuse is a time-delay class H fuse. It can be used in motor control operations and in industrial processes, such as in power factor correction applications and motor control circuits. In this article, we will explore the 0218.500H application field and its working principle.

Application Field

The 0218.500H Fuse can be used in a variety of applications, including the following:

• Motor control circuits
• Power factor correction applications
• Peak current limiting in specific motor loads
• Overload protection of transformers and other safety critical components
• Industrial processes

The 0218.500H can be used in any application where class H fuses are needed. It has a high interrupting rating of 300kA at 117V AC, so it can handle large surges without blowing. It also has a short-circuit rating of 300kA at 690V AC, so it can protect the system in case of short circuit.

Working Principle

The 0218.500H Fuse is a time-delay class H fuse, which means it is designed to handle high inrush currents without immediately blowing. The fuse operates by allowing current to pass through it for an extended period of time before it tripping. This protects the system by allowing the current to pass briefly through the system without blowing the fuse.The 0218.500H is designed to delay the tripping of the fuse as long as possible without causing damage to the system. It is designed with a metal strip which heats up when current passes through it. This process is known as electromigration. Once the metal strip reaches a certain temperature, the fuse will open and disconnect the circuit. To ensure the safety of the system and prevent false tripping, the 0218.500H fuse incorporates a number of additional safety features. It is equipped with current limiting elements which reduce the surge current below the fuse rating, and it also includes a current interrupting feature which ensures that the current is cut off in case of an overload.

Conclusion

The 0218.500H Fuse is a time-delay class H fuse designed to protect the system from overloads and short circuits. It is used in a variety of applications, including in motor control circuits, power factor correction applications and other industrial processes. The fuse operates by allowing current to pass through it for an extended period of time before it trips, protecting the system from high surges and overloads without immediately blowing. The 0218.500H is designed with a number of additional safety features to ensure the safety of the system and prevent false tripping.

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