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Mersen

Mersen A4BQ500 500A 600V Class L Time-Delay Fuse

Part Number: A4BQ500

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Mersen A4BQ500 provides a 500A rating within the A4BQ Series. Its key ratings are 600V AC / 500V DC and 200kA AC / 100kA DC interrupting capability. Its selection value is strongest where the circuit needs 4-second time delay at 500% rating and very high current limitation.

Rated Current500A
Rated Voltage600V AC / 500V DC
Breaking Capacity200kA AC / 100kA DC
PackageClass L

Designed within Mersen’s A4BQ Series, A4BQ500 carries a 500A rating and Class L form factor. Electrical limits are 600V AC / 500V DC, with 200kA AC / 100kA DC 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 Feeders, Large Motors, Lighting & Heating. Final application limits and dimensional details should be verified against Mersen’s official datasheet.

Technical Specifications

Part Number
A4BQ500
Manufacturer Part Number
A4BQ500
Series
A4BQ Series
Fuse Type
Current-Limiting Time-Delay Class L Fuse
Current Rating
500A
Voltage Rating
600V AC / 500V DC
AC / DC
AC/DC
Breaking Capacity
200kA AC / 100kA DC
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
UL Listed
Certifications
UL Listed

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