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Mersen

Mersen MI5FA40V4 4A 5×20mm High-Speed Fuse

Part Number: MI5FA40V4

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Check the catalog attributes of Mersen MI5FA40V4, a 4A 5×20mm high-speed fuse rated 400 VAC, with its series speed, voltage class and connection style for technical purchasing.

Rated Current4A
Rated Voltage400 VAC
Breaking CapacityVery High Breaking Capacity
Package5×20mm

Mersen MI5FA40V4 is a 4A 5×20mm high-speed fuse in the 5FA family, rated 400 VAC. Review the application voltage and available fault current before final selection. For engineers matching protection to operating conditions, this model combines the series characteristic with a clearly defined current rating. Its ferrule / clip configuration supports power electronics, pcb protection. The page is structured around the exact Mersen catalog number for easier procurement.

Technical Specifications

Part Number
MI5FA40V4
Manufacturer Part Number
P093347
Series
5FA Series
Fuse Type
Semiconductor Miniature Fuse
Current Rating
4A
Voltage Rating
400 VAC
AC / DC
AC
Breaking Capacity
Very High Breaking Capacity
I²t
18.7 A²s clearing I²t at rated voltage
Total I²t
18.7
Package / Dimensions
5×20mm
Mounting
Cartridge / Clip
Application
PCB protection · Power Electronics
Terminal Type
Ferrule / Clip
Fuse Speed
Very Fast Acting
Approvals
CE
Certifications
CE|UKCA|RoHS

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