BK/MDL-V-9

Package / Case:	3AB, 3AG, 1/4" x 1-1/4" (Axial)
DC Cold Resistance:	0.009 Ohms
Size / Dimension:	0.266" Dia x 1.292" L (6.76mm x 32.82mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Melting I²t:	51.5
Breaking Capacity @ Rated Voltage:	1kA
Mounting Type:	Through Hole
Series:	MDL
Response Time:	Slow
Voltage Rating - AC:	32V
Current Rating:	9A
Fuse Type:	Cartridge, Glass
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to BK/MDL-V-9 Fuses:

A fuse is a type of electrical safety device used to protect an electrical circuit or device from excessive current flow. The BK/MDL-V-9 fuse is a medium-voltage, preset fusible disconnecting link available in ratings up to 35 kV. It is designed to sense the current in an electrical circuit and, when a predetermined amount of current exceeds its rating, the fuse melts, disconnecting the circuit or device from the electrical power.

Application Field:

BK/MDL-V-9 fuses are typically used in transformers and other medium-voltage equipment where space and affordability are considerations. They are suitable for use in industrial, commercial, and domestic settings, and are particularly suitable for agricultural applications due to their V-9 voltage rating.

Working Principle:

The BK/MDL-V-9 fuse has been designed to operate in potentially explosive areas as defined by ATEX regulations. It uses a specialized fuse element to sense current and fuse off if it exceeds its rating. The fuse element contains two interlocking metal sections that are designed to deform and separate when their rated current exceeds the background level. This causes the electric circuit to be broken, disconnecting the device from the power source.

Advantages:

The BK/MDL-V-9 fuse has several advantages, including cost-effectiveness, small size, ease of installation, and reliable operation. The fuse is also designed to be used in potentially explosive areas, making it suitable for applications that require higher safety standards.

Disadvantages:

There are some disadvantages associated with the use of the BK/MDL-V-9 fuse. The fuse is limited to low-current ratings, meaning that it is not suitable for applications that require a higher current capacity. Additionally, the fuse is not recommended for applications that require quick response times, as it takes time for the fuse element to react and terminate the electric circuit.

Conclusion:

The BK/MDL-V-9 fuse is a medium-voltage, preset fusible link available in up to 35 kV ratings. It is designed to operate in potentially explosive areas and uses special fuse elements to sense current and disconnect the circuit if it exceeds the rating. The BK/MDL-V-9 fuse has several advantages, including cost-effectiveness, small size, ease of installation, and reliable operation, although it is limited to low-current ratings and is not suitable for applications that require quick response times.

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