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Mersen

Mersen A4BQ1200-TA 1200A 600V Class L Time-Delay Fuse

Part Number: A4BQ1200-TA

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A4BQ1200-TA is the 1200A selection in Mersen’s A4BQ Series. For selection, note the 600V AC / 500V DC rating and 200kA AC / 100kA DC interrupting data. The series is intended for applications needing 4-second time delay at 500% rating and very high current limitation. This catalog code identifies the TA remote blown-fuse trigger actuator option.

Rated Current1200A
Rated Voltage600V AC / 500V DC
Breaking Capacity200kA AC / 100kA DC
PackageClass L

Mersen A4BQ1200-TA is a 1200A Class L fuse from the A4BQ Series. For coordination, the key ratings are 600V AC / 500V DC and 200kA AC / 100kA DC interrupting performance. A key selection characteristic is 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 Mains, Feeders, Large Motors. This SKU is the TA remote blown-fuse trigger actuator option. Check the official Mersen datasheet before final equipment coordination.

Technical Specifications

Part Number
A4BQ1200-TA
Manufacturer Part Number
A4BQ1200-TA
Series
A4BQ Series
Fuse Type
Current-Limiting Time-Delay Class L Fuse
Current Rating
1200A
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
CSA · UL Listed
Certifications
UL Listed · CSA

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