Why Choose the Mersen P1018315 High Voltage Transformer Protection Fuse?
The Mersen P1018315 is a high performance DIN high voltage back-up fuse-link developed to provide reliable short-circuit protection for transformers and medium voltage distribution equipment. Part of the proven Mersen Limitor®-PTS series, it is designed with low power dissipation and an integrated thermal striker, making it ideal for modern switchgear and transformer protection applications.
Manufactured using premium ceramic construction, pure silver fuse elements and silver-plated copper contacts, the P1018315 delivers fast fault interruption, high breaking capacity and dependable long-term performance. The integrated thermal striker assists with switch disconnection and fault indication, improving system safety and protection coordination.
With a 12 kV rated voltage, 100 A rated current, 80 kA breaking capacity and 442 mm overall length, the P1018315 is suitable for protecting distribution transformers, substations, ring main units and industrial medium voltage switchgear.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC rated voltage.
- 100 A rated current.
- 80 kA breaking capacity for dependable fault interruption.
- Low power dissipation reduces thermal loading within switchgear.
- Integrated thermal striker for enhanced protection coordination.
- Current-limiting design reduces fault energy.
- Manufactured to IEC 60282-1 requirements.
Key Features
- Mersen Limitor®-PTS high voltage DIN fuse-link.
- Catalogue number 45DB120V100PTS2.
- 12 kV rated voltage.
- 100 A current rating.
- 80 kA breaking capacity.
- Integrated thermal striker.
- Low power dissipation design.
- Ceramic body with pure silver fuse elements.
- DIN medium voltage fuse construction.
- Designed for transformer protection applications.
Medium voltage transformer fuse-links protect valuable equipment by rapidly interrupting high fault currents before they can damage transformers, switchgear and associated distribution systems. Their current-limiting characteristics minimise both thermal and mechanical stress while helping maintain network reliability.
The Mersen Limitor®-PTS range has been developed for modern transformer protection systems requiring low power dissipation, high interrupting performance and dependable coordination with switchgear incorporating thermal striker mechanisms.
Typical Applications
- Distribution transformers.
- Medium voltage substations.
- Industrial switchgear.
- Ring main units.
- Renewable energy installations.
- Power distribution systems.
- Utility infrastructure.
- OEM transformer assemblies.
