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Mersen

Mersen A3T40 40A 300VAC/160VDC Class T Fast-Acting Fuse

Part Number: A3T40

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Mersen A3T40 belongs to the A3T family and is specified as a 40A Class T fast-acting fuse covering 300V AC / 160V DC service with 200kA AC / 50kA DC interrupt capacity using compact blade-terminal construction.

Rated Current40A
Rated Voltage300V AC / 160V DC
Breaking Capacity200kA AC / 50kA DC
PackageClass T

The A3T40 model combines Mersen A3T construction with a 40A Class T fast-acting fuse rating. The device is specified for 300V AC / 160V DC circuits and 200kA AC / 50kA DC fault clearing. Its compact blade-terminal construction supports panelboard, switchboard and distribution protection, with standards referenced as UL 248-15|CSA C22.2 No. 248.15.

Technical Specifications

Part Number
A3T40
Manufacturer Part Number
A3T40
Series
A3T Series
Fuse Type
Class T Power Fuse
Current Rating
40A
Voltage Rating
300V AC / 160V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 50kA DC
Package / Dimensions
Class T
Mounting
Blade
Application
General-purpose industrial circuits · Power distribution
Standard
CSA C22.2 No. 248.15 · UL 248-15
Terminal Type
Blade
Fuse Speed
Fast Acting (F)
Utilization Class
Class T
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA Certified

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