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Mersen

Mersen A4BQ5000 5000A 600V Class L Time-Delay Fuse

Part Number: A4BQ5000

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The A4BQ Series includes A4BQ5000, rated at 5000A. Its key ratings are 600V AC and 200kA AC interrupting capability. Its selection value is strongest where the circuit needs 4-second time delay at 500% rating and very high current limitation.

Rated Current5000A
Rated Voltage600V AC
Breaking Capacity200kA AC
PackageClass L

The Mersen A4BQ5000 combines a 5000A rating with the protection characteristics of the A4BQ Series. Electrical limits are 600V AC, with 200kA AC interrupting capability. The series is engineered around 4-second time delay at 500% rating and very high current limitation. The Class L format uses blade terminals with cartridge/clip mounting. Typical selection contexts include Large Motors, Lighting & Heating, Circuit Breaker Backup. Final application limits and dimensional details should be verified against Mersen’s official datasheet.

Technical Specifications

Part Number
A4BQ5000
Manufacturer Part Number
A4BQ5000
Series
A4BQ Series
Fuse Type
Current-Limiting Time-Delay Class L Fuse
Current Rating
5000A
Voltage Rating
600V AC
AC / DC
AC
Breaking Capacity
200kA AC
Package / Dimensions
Class L
Mounting
Cartridge / Clip
Application
Circuit Breaker Protection · Feeder circuits · Large Motor Branch Circuits · Lighting & Heating · Switchboard Mains · UPS DC Links
Standard
CSA C22.2 No. 248.10 · UL 248-10
Terminal Type
Blade
Fuse Speed
Time Delay
Utilization Class
Class L
Approvals
CSA · UL Listed
Certifications
UL Listed · CSA

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