Mersen A2D45R 45A Class RK1 Time-Delay Fuse
● Check availabilityReview 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.

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.
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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.