Why Choose the Mersen K076484 High Voltage Motor Protection Fuse?
The Mersen K076484 is a premium high voltage back-up fuse for motor protection designed to safeguard medium voltage motors against the damaging effects of short-circuit currents. Part of the trusted Mersen Limitor® aSJB/D series, it is engineered for reliable operation in high voltage motor control systems, switchgear and industrial power distribution applications.
Designed in accordance with IEC 60644, the K076484 is specifically developed to withstand the repeated peak currents associated with motor starting while providing rapid current-limiting protection during fault conditions. Its construction incorporates pure silver fuse elements, silver-plated brass end caps and a durable melamine fibreglass body to ensure dependable performance and a long service life.
With a rated voltage of 12 kV AC, a 160 A current rating and an integrated 20 N striker, the Mersen K076484 is ideal for protecting medium voltage motors used in industrial processing plants, mining, utilities and heavy manufacturing environments.
Key Advantages
- Purpose-designed for medium voltage motor protection.
- 12 kV AC rated voltage for industrial power systems.
- 160 A rated current for high power motor applications.
- Current-limiting design reduces fault energy and equipment damage.
- Integrated 20 N striker for compatible switchgear mechanisms.
- Engineered to withstand repeated motor starting currents.
Key Features
- Mersen Limitor® aSJB/D motor protection fuse.
- Catalogue number: 45ASB120V160P-3.
- 12 kV AC rated voltage.
- 160 A rated current.
- 67 mm diameter × 442 mm length.
- Integrated 20 N striker.
- Melamine fibreglass fuse body.
- Pure silver fuse elements with silver-plated brass end caps.
Reliable Protection for Medium Voltage Motors
High voltage motor protection fuses rapidly interrupt short-circuit currents before they can damage motors, cables and switchgear. Unlike standard transformer fuses, motor protection fuse-links are designed to tolerate the repeated inrush currents generated during motor starting while still providing dependable fault protection.
The Mersen Limitor® aSJB/D range has been developed specifically for medium voltage motor circuits, delivering excellent current-limiting performance together with long operational life in demanding industrial environments.
Typical Applications
- Medium voltage motor protection.
- Motor control centres.
- Industrial switchgear.
- Mining and heavy industry.
- Water treatment facilities.
- Power generation and utility installations.