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Mersen

Mersen A2D45R 45A Class RK1 Time-Delay Fuse

Part Number: A2D45R

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Review the selection data for Mersen A2D45R, a 45A class rk1 time-delay fuse rated 250 VAC / 250 VDC, using the series class, speed and mounting details before substitution.

Rated Current45A
Rated Voltage250 VAC / 250 VDC
Breaking Capacity200 kA AC / 100 kA DC

Mersen A2D45R is a 45A class rk1 time-delay fuse in the A2D family, rated 250 VAC / 250 VDC. Its ferrule configuration supports motor, transformer, power distribution. Developed for compact and reliable circuit protection, the device pairs the series protection profile with a practical installation format. Use the exact part number when checking compatibility with installed fuse blocks or holders. FuseStock lists the manufacturer reference for sourcing and technical comparison.

Technical Specifications

Part Number
A2D45R
Manufacturer Part Number
A2D45R
Series
A2D Series
Fuse Type
Current-Limiting Fuse
Current Rating
45A
Voltage Rating
250 VAC / 250 VDC
AC / DC
AC/DC
Breaking Capacity
200 kA AC / 100 kA DC
Mounting
Cartridge / Clip
Application
Motor · Power distribution · Transformer
Standard
CSA C22.2 · UL 248
Terminal Type
Ferrule
Fuse Speed
Time Delay
Utilization Class
Class RK1
Approvals
CSA · UL Listed
Certifications
UL Listed|CSA Certified

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