Why Choose the Mersen T076469 High Voltage Motor Protection Fuse?
The Mersen T076469 is a high performance Limitor® aSJB/D high voltage back-up fuse specifically designed to protect medium voltage motors against damaging short-circuit currents whilst withstanding the repeated inrush currents associated with motor starting. Manufactured to IEC 60644, it delivers dependable protection for high voltage motor applications within industrial and utility power systems.
Constructed using a melamine fibreglass fuse body, pure silver fuse elements and silver-plated brass end caps, the T076469 provides excellent electrical performance and long service life. The integrated 20 N striker enables reliable operation with compatible switchgear and motor starters, helping to isolate the circuit safely following a fault.
Rated at 3.6 kV AC with a 50 A current rating, this fuse features a compact 50.8 mm diameter and 192 mm overall length. It is ideal for protecting medium voltage motors installed within industrial plants, pumping stations, mining facilities and utility installations.
Key Advantages
- Designed specifically for medium voltage motor protection.
- 3.6 kV AC rated voltage.
- 50 A rated current.
- Supports repeated motor starting currents.
- Integrated 20 N striker for coordinated switchgear operation.
- Current-limiting design helps minimise equipment damage during faults.
Key Features
- Mersen Limitor® aSJB/D series.
- High voltage motor back-up fuse.
- 3.6 kV AC IEC rated voltage.
- 50 A rated current.
- 50.8 mm diameter × 192 mm length.
- Integrated 20 N striker.
- Pure silver fuse elements.
- Silver-plated brass end caps.
- Melamine fibreglass fuse body.
- Designed to IEC 60644.
Reliable Protection for Medium Voltage Motors
High voltage motor back-up fuses are designed to interrupt damaging short-circuit currents whilst tolerating the high peak currents generated during motor starting. This helps protect valuable motors, cables and switchgear whilst maintaining reliable system operation.
The Mersen T076469 combines high interrupting performance with robust construction, making it suitable for demanding industrial environments where dependable motor protection is essential.
Typical Applications
- Medium voltage motor protection.
- Industrial motor control systems.
- Mining and quarrying equipment.
- Water and wastewater pumping stations.
- Utility power distribution.
- Process manufacturing facilities.
