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Mersen

Mersen A4J225 225A Class J fast-acting current-limiting fuse

Part Number: A4J225

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Mersen A4J225 is configured as a Class J fast-acting current-limiting fuse; this configuration is rated 225A and 600VAC / 300VDC, suited to feeders, panelboards and general high-fault-current circuits in a blade format.

Rated Current225A
Rated Voltage600VAC / 300VDC
Breaking Capacity200kA AC / 100kA DC
PackageClass J

For feeders, panelboards and general high-fault-current circuits, Mersen A4J225 provides a Class J fast-acting current-limiting fuse within the A4J family. Rated at 225A and 600VAC / 300VDC, this version uses blade mounting and is characterized by Class J current limitation with 200kA AC and 100kA DC interrupting ratings. Confirm installation details and coordination against the official Mersen datasheet before design release.

Technical Specifications

Part Number
A4J225
Manufacturer Part Number
A4J225
Series
A4J
Fuse Type
Current-Limiting Fuse
Current Rating
225A
Voltage Rating
600VAC / 300VDC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 100kA DC
Package / Dimensions
Class J
Mounting
Blade
Application
Feeder circuits · Power distribution
Standard
CSA C22.2 No. 248.8 · IEC 60269-2 · UL 248-8
Terminal Type
Blade
Fuse Speed
Fast Acting (F)
Utilization Class
Class J
Approvals
CSA · RoHS · UL Listed
Certifications
UL Listed|CSA|RoHS

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