Why Choose the Mersen R1032945 High Voltage Transformer Fuse?
The Mersen R1032945 is a premium DIN high voltage back-up fuse-link developed to protect transformers and medium voltage equipment against damaging short-circuit currents. Part of the innovative Mersen Limitor®-PTS series, it combines low power dissipation with an integrated thermal striker, making it ideal for modern air-insulated and gas-insulated switchgear installations.
The Limitor®-PTS range features an advanced fuse-element design that significantly reduces power losses while incorporating a thermal striker to help prevent overheating inside the fuse compartment. Manufactured using pure silver fuse elements, silver-plated copper contact caps and a robust ceramic body, the R1032945 delivers dependable transformer protection and long service life in demanding industrial and utility applications.
Rated at 12 kV AC and 10 A, the Mersen R1032945 is designed for transformer protection within medium voltage distribution systems. Its 56 mm diameter, 292 mm length and integrated 80 N thermal striker provide straightforward installation into compatible DIN fuse bases and switchgear.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC rated voltage for industrial and utility networks.
- 10 A rated current.
- Low power dissipation reduces heating within switchgear.
- Integrated 80 N thermal striker for reliable tripping and indication.
- High current-limiting performance minimises fault energy.
- Pure silver fuse elements provide dependable interruption.
- Suitable for modern air-insulated and gas-insulated switchgear.
Key Features
- Mersen Limitor®-PTS back-up fuse series.
- Catalogue number: 45DB120V10PTS2.
- 12 kV AC rated voltage.
- 10 A rated current.
- 56 mm fuse diameter.
- 292 mm fuse length.
- Integrated 80 N thermal striker.
- Low power dissipation fuse design.
- Pure silver fuse elements.
- Silver-plated copper contact caps.
- High-strength ceramic body.
The Mersen R1032945 rapidly interrupts high prospective short-circuit currents before excessive thermal or mechanical stress can damage transformers, switchgear or associated electrical equipment. Its current-limiting characteristics minimise fault energy while the low power dissipation design helps improve switchgear reliability.
The integrated thermal striker provides dependable operation of compatible trip mechanisms while helping prevent overheating inside sealed switchgear compartments. This makes the Limitor®-PTS range particularly suitable for compact modern medium voltage installations.
Typical Applications
- Medium voltage transformer protection.
- Gas-insulated switchgear (GIS).
- Air-insulated switchgear.
- Industrial power distribution.
- Utility substations.
- Renewable energy installations.
- Manufacturing facilities.
- OEM medium voltage equipment.
