Why Choose the Mersen X1032950 Limitor®-PTS High Voltage Back-up Fuse?
The Mersen X1032950 is a premium Limitor®-PTS DIN high voltage back-up fuse-link designed to protect medium voltage transformers against the thermal and dynamic effects of short-circuit currents. Developed in accordance with IEC 60282-1 and VDE 0670 T402, it delivers dependable transformer protection whilst reducing thermal stress within modern switchgear.
Part of the advanced Mersen Limitor®-PTS range, the X1032950 incorporates innovative low power dissipation fuse technology together with an integrated 80 N thermal striker. This design helps minimise heating inside switchgear compartments while providing reliable mechanical operation with compatible protection equipment. It is recommended for both air insulated and gas insulated switchgear, including systems from leading manufacturers such as Siemens and Ormazabal.
Rated at 12 kV AC with a 40 A current rating, the X1032950 features a 56 mm diameter × 292 mm DIN fuse body and provides a high 65 kA breaking capacity, making it ideal for transformer primary protection within industrial substations, utility distribution networks and commercial electrical infrastructure.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Low power dissipation technology reduces switchgear heating.
- 12 kV AC rated voltage for medium voltage systems.
- 40 A rated current for transformer primary protection.
- 65 kA breaking capacity for dependable fault interruption.
- Integrated 80 N thermal striker for reliable switchgear operation.
Key Features
- Mersen Limitor®-PTS back-up fuse-link.
- Catalogue number: 45DB120V40PTS2.
- Rated voltage: 12 kV AC.
- Rated current: 40 A.
- Breaking capacity: 65 kA.
- Fuse dimensions: 56 mm diameter × 292 mm length.
- 80 N thermal striker.
- Designed for air insulated and gas insulated switchgear.
High voltage transformer fuse-links rapidly interrupt damaging short-circuit currents before transformers and associated switchgear can be subjected to excessive thermal or mechanical stress. This improves equipment reliability, reduces downtime and helps extend the service life of valuable electrical assets.
The Mersen Limitor®-PTS range combines innovative low power dissipation technology with an integrated thermal striker to reduce switchgear heating whilst maintaining dependable protection performance. The X1032950 is suitable for both new installations and replacement applications in modern medium voltage systems.
Typical Applications
- Medium voltage transformer protection.
- Air insulated switchgear.
- Gas insulated switchgear.
- Industrial substations.
- Utility distribution networks.
- Commercial and industrial electrical installations.
