Why Choose the Mersen M1032964 High Voltage Transformer Fuse?
The Mersen M1032964 is a premium Limitor®-PTS DIN high voltage back-up fuse-link designed to provide dependable short-circuit protection for medium voltage transformers. Manufactured in accordance with IEC 60282-1 and VDE T402, it incorporates Low Power Dissipation (LPD) technology, making it ideal for modern air-insulated and gas-insulated switchgear installations.
Part of Mersen's advanced Limitor®-PTS range, the M1032964 features pure silver fuse elements, silver-coated copper end caps and a durable ceramic body for exceptional electrical performance and long service life. The integrated 80 N thermal striker provides dependable operation with compatible switchgear while helping prevent overheating inside the fuse compartment.
With a rated voltage of 36 kV AC, a rated current of 50 A and dimensions of 88 mm diameter × 537 mm length, the M1032964 is ideally suited for protecting distribution transformers against damaging short-circuit currents whilst maintaining reliable operation of medium voltage electrical networks.
Key Advantages
- High voltage DIN back-up fuse-link for transformer protection.
- 36 kV AC rated voltage.
- 50 A rated current.
- Low Power Dissipation technology reduces heat build-up inside switchgear.
- 20 kA maximum breaking capacity.
- Integrated 80 N thermal striker.
- Suitable for air-insulated and gas-insulated switchgear.
- Manufactured using pure silver fuse elements and a ceramic body.
Key Features
- Mersen Limitor®-PTS back-up fuse series.
- Catalogue number: 45DB360V50PTS.
- 36 kV AC rated voltage.
- 50 A current rating.
- 88 mm diameter × 537 mm length.
- 20 kA AC breaking capacity.
- 40,000 A²s total clearing I²t.
- 225 A minimum breaking current.
- 80 N thermal striker.
- Low power loss construction for improved thermal performance.
The Mersen M1032964 is engineered to interrupt high prospective short-circuit currents before they can damage transformers, switchgear and associated electrical equipment. Its current-limiting characteristics minimise thermal and mechanical stress, helping improve network reliability and reduce maintenance requirements.
The Limitor®-PTS range combines low power losses with an advanced thermal striker system that helps prevent overheating inside enclosed switchgear. Siemens and Ormazabal recommend the Limitor®-PTS range for use within compatible gas-insulated switchgear.
Typical Applications
- Medium voltage transformer protection.
- Air-insulated switchgear.
- Gas-insulated switchgear.
- Utility substations.
- Industrial power distribution systems.
- Renewable energy infrastructure.
- OEM medium voltage equipment.
