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Mersen

Mersen OT500 500A Class K5 fast-acting one-time fuse

Part Number: OT500

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Mersen OT500 is configured as a Class K5 fast-acting one-time fuse; electrical selection centers on 500A and 250VAC / 250VDC, suited to feeder, branch-circuit and resistive-load protection in a blade format.

Rated Current500A
Rated Voltage250VAC / 250VDC
Breaking Capacity50kA AC
PackageClass K5

For feeder, branch-circuit and resistive-load protection, Mersen OT500 provides a Class K5 fast-acting one-time fuse within the OT family. For coordination, the page records 500A, 250VAC / 250VDC, Class K5 fast-acting protection with a 50kA interrupting rating, plus the blade connection style. Confirm installation details and coordination against the official Mersen datasheet before placing it into a design.

Technical Specifications

Part Number
OT500
Manufacturer Part Number
OT500
Series
OT
Fuse Type
One-Time Fuse
Current Rating
500A
Voltage Rating
250VAC / 250VDC
AC / DC
AC/DC
Breaking Capacity
50kA AC
Package / Dimensions
Class K5
Mounting
Blade
Application
Power distribution · Resistance Heaters
Standard
CSA C22.2 No. 248.9 · UL 248-9
Terminal Type
Blade
Fuse Speed
Fast Acting (F)
Utilization Class
Class K5
Approvals
CSA · RoHS · UL Listed
Certifications
UL Listed|CSA|RoHS

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