Why Choose the Mersen A076475 High Voltage Back-up Fuse?
The Mersen A076475, catalogue number 45ASB36V200P-1, is a premium high voltage back-up fuse specifically engineered for the protection of medium-voltage motors and associated switchgear. As part of the renowned Mersen Limitor® aSJB/D series, this fuse is designed to safely interrupt high fault currents while withstanding the repeated peak currents experienced during motor starting.
Manufactured using silver-plated copper fuse elements, silver-plated brass end caps and a durable melamine fibreglass body, the A076475 delivers exceptional reliability and long service life in demanding industrial environments. An integrated 20 N striker provides positive mechanical indication when the fuse operates, enabling faster maintenance and reduced downtime.
With a 3.6 kV AC IEC voltage rating, 200 A current rating and an impressive 60 kA breaking capacity, this fuse provides dependable protection for medium-voltage motors, switchgear and electrical distribution systems where safety and reliability are essential.
Key Advantages
- Designed specifically for medium-voltage motor protection.
- 3.6 kV AC IEC voltage rating.
- 200 A rated current.
- High 60 kA breaking capacity.
- Integrated 20 N striker indication for rapid fault identification.
- Silver-plated terminals provide excellent conductivity and corrosion resistance.
- Robust melamine fibreglass body for demanding industrial environments.
Key Features
- Mersen Limitor® aSJB/D back-up fuse.
- Manufacturer part number: A076475.
- Catalogue number: 45ASB36V200P-1.
- Rated voltage: 3.6 kV AC.
- Rated current: 200 A.
- Breaking capacity: 60 kA.
- Minimum breaking current: 1000 A.
- Fuse dimensions: 67 × 192 mm.
- Integrated striker: 20 N.
- Clip mounting with cylindrical terminals.
Reliable Protection for Medium Voltage Motors
The Mersen A076475 is designed to provide back-up protection for medium-voltage motors by rapidly clearing high short-circuit currents before they can damage valuable electrical equipment. Its specialised construction enables it to withstand repeated motor starting currents while remaining ready to operate instantly during genuine fault conditions.
The integrated striker mechanism provides positive mechanical indication following fuse operation, allowing maintenance engineers to quickly identify the operated fuse and minimise equipment downtime.
Typical Applications
- Medium-voltage motor protection.
- Industrial switchgear.
- Motor control centres.
- Electrical distribution systems.
- Mining and heavy industrial installations.
- Power generation facilities.
- Water treatment and process industries.
