Why Choose the Mersen L1006099 High Voltage Transformer Fuse?
The Mersen L1006099 is a premium Limitor®-P DIN high voltage back-up fuse-link engineered to provide reliable short-circuit protection for medium voltage transformers. Manufactured in accordance with IEC 60282-1, this fuse is specifically designed for protecting transformers in medium voltage switchgear and electrical distribution systems.
As part of the trusted Mersen Limitor®-P range, the L1006099 features pure silver fuse elements, silver-plated copper contacts and a durable ceramic body for dependable long-term performance. The integrated 80 N thermal striker enables operation with compatible switchgear, providing reliable fault indication and isolation.
With a rated voltage of 12 kV AC, a rated current of 40 A and a 63 mm diameter × 442 mm fuse size, the Mersen L1006099 is ideally suited to protecting distribution transformers against damaging short-circuit currents while maintaining reliable operation of medium voltage electrical networks.
Key Advantages
- High voltage DIN back-up fuse-link for transformer protection.
- 12 kV AC rated voltage.
- 40 A rated current.
- Designed to IEC 60282-1 requirements.
- 31.5 kA breaking capacity.
- Integrated 80 N thermal striker.
- Pure silver fuse elements and ceramic body construction.
- Suitable for medium voltage switchgear and transformer installations.
Key Features
- Mersen Limitor®-P back-up fuse series.
- Catalogue number: 45DB120V40P-3.
- 12 kV AC voltage rating.
- 40 A current rating.
- 63 mm diameter × 442 mm length.
- 31.5 kA maximum breaking capacity.
- 12 kA²s total clearing I²t.
- 80 N thermal striker.
- Clip mounting design.
- Ceramic body with silver-plated copper terminals.
The Mersen L1006099 is designed to interrupt high fault currents before they can damage transformers and associated switchgear. Its current-limiting characteristics help reduce both thermal and mechanical stress on electrical equipment, improving system reliability and reducing downtime.
The combination of pure silver fuse elements, ceramic insulation and an integrated thermal striker makes this fuse-link well suited to utility substations, industrial power distribution systems and OEM switchgear assemblies requiring dependable transformer protection.
Typical Applications
- Medium voltage transformer protection.
- Utility substations.
- Industrial power distribution.
- Medium voltage switchgear.
- Electrical infrastructure projects.
- Renewable energy installations.
- Commercial power distribution systems.
