MDL-7-R

Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
DC Cold Resistance:	0.018 Ohms
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Color:	--
Operating Temperature:	--
Approvals:	CE, CSA, UL
Melting I²t:	42.7
Breaking Capacity @ Rated Voltage:	200A
Mounting Type:	Holder
Series:	MDL
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	7A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MDL-7-R Application Field and Working Principle

Fuses play an integral part in ensuring the stability and safety of electronic systems and devices used in a variety of industries and applications. The MDL-7-R is one such fuse that is commonly used in many sectors and is engineered with a special design to meet the stringent safety standards that are in place for such parts. In this article, we will take a look at how the MDL-7-R works and what types of applications it is typically found in.

Description of the MDL-7-R

The MDL-7-R is a type of fast-acting fuse, which means that it is designed to open an electrical circuit as quickly as possible in order to protect components from being damaged by an overcurrent of electricity. This is usually accomplished by using a metal strip or wire that is specifically calibrated to melt at a set current level. The MDL-7-R is designed with a special patented design that increases its ability to respond quickly to overcurrent events, making it a preferred choice for applications where the circuit needs to be protected from potential damage due to an overvoltage or overcurrent.

Applications of the MDL-7-R

The MDL-7-R is typically found in industrial applications, such as power distribution, is applicable in both AC and DC circuits, and is UL listed for 600VAC/VDC. Common applications include lighting systems, motor control systems, pumps, transformers, and other power systems that require the protection of an overcurrent or overvoltage circuit breaker. It is also an excellent choice for any hazardous area such as those found in oil and gas processing plants, mines, and other industrial sites. The MDL-7-R is also used in medical equipment, consumer products, and other industries requiring high-level protection.

Advantages of the MDL-7-R

The MDL-7-R is designed to quickly open a circuit in the event of an overvoltage or overcurrent event. This reduces the risk of damage to the components within the circuit, as well as increasing the safety of personnel in the surrounding area. The MDL-7-R also has a low single-fault current rating, which minimizes the risk of power surges which could potentially result in a shock hazard.

Working Principle of the MDL-7-R

The MDL-7-R fuse consists of a metal strip or wire that is calibrated to melt when a set amount of current is exceeded. When this happens, the fuse will quickly open the circuit, preventing further damage to the components. The MDL-7-R is designed with a high temperature rating, meaning that it can withstand temperatures up to 600 degrees Celsius. Additionally, the special design of the MDL-7-R makes it relatively resistant to arc faults, meaning that it can be used in circuits where a high-level of current surge protection is required.

Conclusion

The MDL-7-R is a fast-acting fuse that is dense in industrial applications where high-level protection is needed from overvoltages and overcurrents. It features a special patented design that increases its speed of response to overcurrent fault events, making it ideal for use in hazardous areas. The MDL-7-R is also UL listed for 600VAC/VDC and can withstand temperatures of up to 600 degrees Celsius. Its high single-fault current rating makes it safe to use and suitable for protecting components from electrical shock hazards.

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