Mersen CRN400 400A Class H Type D Fuse
● Check availabilityFor replacement or design work, compare Mersen CRN400, a 400A class h type d fuse rated 250 VAC, using the stated electrical rating and installation configuration for maintenance planning.

For replacement or design work, compare Mersen CRN400, a 400A class h type d fuse rated 250 VAC, using the stated electrical rating and installation configuration for maintenance planning.
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Mersen CRN400 is a 400A class h type d fuse in the CRN family, rated 250 VAC. Built for dependable overcurrent protection, this model combines the series characteristic with a clearly defined current rating. Its blade configuration supports motor, transformer, lighting, general industrial. Confirm the circuit duty, voltage and installation method against the Mersen data before substitution. FuseStock lists the manufacturer reference for sourcing and technical comparison.