Why Choose the Mersen S1000240 High Voltage Transformer Fuse?
The Mersen S1000240 is a premium DIN high voltage back-up fuse-link engineered to protect transformers and medium voltage equipment against damaging short-circuit currents. As part of the trusted Mersen Limitor®-PD series, it delivers reliable transformer protection without controlled power dissipation while maintaining dependable fault interruption for industrial and utility power systems.
Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, the S1000240 is constructed using pure silver fuse elements, silver-coated copper contact caps and a robust ceramic body. This high-quality construction provides consistent electrical performance, dependable current limitation and long operational life.
Rated at 12 kV AC and 10 A, the Mersen S1000240 is ideal for protecting medium voltage transformers within industrial distribution systems. It features a 56 mm diameter, 292 mm fuse length and an integrated 80 N striker for operation with compatible switchgear mechanisms.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC rated voltage for industrial and utility installations.
- 10 A rated current.
- Integrated 80 N striker for compatible switchgear tripping.
- High current-limiting performance reduces fault energy.
- Manufactured using pure silver fuse elements.
- Robust ceramic body for long operational life.
- Complies with IEC 60282-1 and VDE 0670 T402.
Key Features
- Mersen Limitor®-PD back-up fuse series.
- Catalogue number: 45DB120V10PD.
- 12 kV AC rated voltage.
- 10 A rated current.
- 56 mm fuse diameter.
- 292 mm fuse length.
- Integrated 80 N striker.
- Pure silver fuse elements.
- Silver-coated copper contact caps.
- High-strength ceramic body.
The Mersen S1000240 rapidly interrupts high prospective short-circuit currents before excessive thermal or mechanical stress can damage transformers, switchgear and associated equipment. Its current-limiting characteristics help reduce fault energy while maintaining dependable protection for valuable electrical assets.
Designed as a high voltage back-up fuse-link, the S1000240 should be coordinated with suitable overload protection. The integrated striker enables compatible switchgear trip mechanisms or indication systems to operate when the fuse interrupts a fault.
Typical Applications
- Medium voltage transformer protection.
- Industrial switchgear.
- Utility substations.
- Power distribution systems.
- Renewable energy installations.
- Manufacturing facilities.
- Commercial infrastructure.
- OEM medium voltage equipment.
