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Mersen

Mersen A2K125R 125A Class RK1 Fast-Acting Fuse

Part Number: A2K125R

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Review the selection data for Mersen A2K125R, a 125A class rk1 fast-acting fuse rated 250 VAC / 250 VDC, with the current rating, system voltage and physical connection for OEM sourcing.

Rated Current125A
Rated Voltage250 VAC / 250 VDC
Breaking Capacity200 kA AC / 100 kA DC

Mersen A2K125R is a 125A class rk1 fast-acting fuse in the A2K-R family, rated 250 VAC / 250 VDC. Its blade configuration supports power distribution, lighting, feeder circuits. Developed for compact and reliable circuit protection, the model is intended for designers who need a verified series, rating and form factor rather than a generic fuse. Review the application voltage and available fault current before final selection. FuseStock lists the manufacturer reference for sourcing and technical comparison.

Technical Specifications

Part Number
A2K125R
Manufacturer Part Number
A2K125R
Series
A2K-R Series
Fuse Type
Current-Limiting Fuse
Current Rating
125A
Voltage Rating
250 VAC / 250 VDC
AC / DC
AC/DC
Breaking Capacity
200 kA AC / 100 kA DC
Mounting
Blade
Application
Feeder circuits · Lighting · Power distribution
Standard
CSA C22.2 · UL 248
Terminal Type
Blade
Fuse Speed
Fast Acting (F)
Utilization Class
Class RK1
Approvals
CSA · UL Listed
Certifications
UL Listed|CSA Certified

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