021602.5MRET1SPP Circuit Protection

Series:	216SP
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge, Ceramic
Current Rating:	2.5A
Voltage Rating - AC:	250V
Response Time:	Fast
Package / Case:	5mm x 20mm (Axial)
Mounting Type:	Through Hole
Breaking Capacity @ Rated Voltage:	1.5kA
Melting I²t:	2.695
Approvals:	CE, CQC, CSA, KC, PSE, UR, 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:	0.0584 Ohms

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Fuses: 021602.5MRET1SPP Application Field and Working Principle

Fuses are one of the most versatile and important protective devices used in the electrical industry. A 021602.5MRET1SPP fuse is a special type of fuse designed specifically for solar energy systems. In this article, we will discuss its application field, as well as its working principle.

Application Field

021602.5MRET1SPP fuses are designed for use in residential and commercial solar energy systems. They are designed to protect the inverter and other components of the system from damage due to overvoltage, short circuits or thermal overloads. The fuse’s voltage rating is higher than the inverter’s rating, so it can handle high-voltage surges and overloads without any difficulty.The 021602.5MRET1SPP fuse also has a high current rating, so it can handle high-amperage loads without any problem. This makes it perfect for solar energy systems, which tend to have high current loads due to their large number of panels and other components.The 021602.5MRET1SPP fuse also has a compact size, making it easy to install in small spaces such as in a wall or ceiling. It is also UL 4248 listed, meaning it meets the strict safety requirements of the Underwriters Laboratories.

Working Principle

The working principle of the 021602.5MRET1SPP fuse is quite simple. When a surge, overload or short-circuit occurs, the fuse interrupts the current flow and thus prevents any damage to the inverter or other components of the system.The 021602.5MRET1SPP fuse consists of a metal link that connects two metal caps. The metal link is the conducting element and is designed to withstand high temperatures. When an overload occurs, the metal link melts due to the heat generated by the overload, thus interrupting the current flow.When the overload is over, the metal link needs to be replaced with a new one in order for the fuse to function again. This makes the 021602.5MRET1SPP fuse a single-use device.

Conclusion

The 021602.5MRET1SPP fuse is an essential device for any solar energy system. It is designed to protect the system’s components from damage due to overvoltage, short circuits or thermal overloads. The fuse also has a high current rating and is UL 4248 listed, making it a secure device for use in residential and commercial solar energy systems. Its working principle is quite simple, where it interrupts the current flow when an overload occurs, thus preventing any damage.

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