Why Choose the Mersen L078164 High Voltage Motor Protection Fuse?
The Mersen L078164 is a premium high voltage back-up fuse for motor protection engineered to safeguard medium voltage motors against damaging short-circuit currents. As part of the proven Mersen Limitor® aSJB/D series, it is specifically designed to withstand the repeated inrush currents associated with motor starting whilst providing rapid current-limiting protection under fault conditions.
Manufactured in accordance with IEC 60644, the L078164 features pure silver fuse elements, silver-plated brass end caps and a melamine fibreglass body to deliver dependable electrical performance and long service life. Its integrated 20 N striker enables operation with compatible switchgear mechanisms, enhancing system protection and operational safety.
With a rated voltage of 7.2 kV AC, a 63 A current rating and a compact 50.8 mm × 292 mm fuse size, the Mersen L078164 is ideally suited to protecting medium voltage motors in industrial processing plants, utilities, mining operations and heavy manufacturing environments.
Key Advantages
- Purpose-designed for medium voltage motor protection.
- 7.2 kV AC rated voltage for industrial motor applications.
- 63 A rated current for compatible motor circuits.
- Designed to withstand repeated motor starting currents.
- Integrated 20 N striker for compatible switchgear mechanisms.
- Current-limiting design helps minimise equipment damage during faults.
Key Features
- Mersen Limitor® aSJB/D motor protection fuse.
- Catalogue number: 45ASB72V63P-2.
- 7.2 kV AC rated voltage.
- 63 A rated current.
- 50.8 mm diameter × 292 mm length.
- Integrated 20 N striker.
- Melamine fibreglass insulating body.
- Pure silver fuse elements with silver-plated brass terminals.
Reliable Protection for Medium Voltage Motors
Motor protection fuse-links are specifically designed to tolerate repeated motor starting currents whilst rapidly interrupting damaging short-circuit faults. Their current-limiting characteristics help protect motors, switchgear, cables and associated electrical equipment from excessive thermal and mechanical stress.
The Mersen Limitor® aSJB/D range has been developed for demanding industrial motor applications, providing dependable protection, high breaking capacity and long operational life in medium voltage installations.
Typical Applications
- Medium voltage motor protection.
- Motor control centres.
- Industrial switchgear.
- Mining and quarrying equipment.
- Water treatment facilities.
- Power generation and utility installations.
