Why Choose the Mersen P1000260 Limitor®-PD High Voltage Transformer Fuse?
The Mersen P1000260, catalogue number 45DB240V63PD, is a robust high voltage DIN back-up fuse designed to protect medium-voltage transformers against damaging short-circuit currents. As part of the proven Mersen Limitor®-PD series, it provides dependable current-limiting protection for high-voltage switchgear, controlgear and electrical distribution systems.
The P1000260 is manufactured using pure silver fuse elements, silver-plated copper terminals and a durable ceramic body. These high-quality materials support consistent electrical performance, effective fault interruption and reliable service in demanding industrial, utility and infrastructure environments.
Rated at 63 A and 24 kV AC, the Mersen P1000260 offers a high 65 kA breaking capacity. Its 65 mm diameter, 442 mm DIN fuse size and integrated 80 N striker make it suitable for compatible medium-voltage fuse bases and switchgear trip mechanisms.
Key Advantages
- Designed specifically for medium-voltage transformer protection.
- 24 kV AC rated voltage for high-voltage IEC systems.
- 63 A current rating for compatible transformer applications.
- High 65 kA breaking capacity for dependable short-circuit interruption.
- Integrated 80 N striker for switchgear tripping and indication.
- Premium silver and ceramic construction supports reliable long-term performance.
Key Features
- Mersen Limitor®-PD back-up fuse series.
- Catalogue number 45DB240V63PD.
- 63 A rated current.
- 24 kV AC IEC rated voltage.
- 65 kA maximum breaking capacity.
- 350 A minimum interrupting rating.
- 46.4 kA²s clearing I²t at rated voltage.
- Integrated striker-type indication system.
- Silver-plated copper cylindrical terminals.
- Durable ceramic insulating body.
Medium-voltage transformers require specialised protection capable of interrupting severe short-circuit currents before excessive thermal or mechanical damage occurs. The Mersen P1000260 is a current-limiting back-up fuse designed to operate during high fault conditions while coordinating with other protective equipment within the electrical installation.
The integrated striker can activate compatible switchgear trip mechanisms or signalling devices after the fuse operates. Its high breaking capacity, ceramic construction and proven DIN format make it suitable for demanding transformer protection applications within substations, industrial plants and utility distribution systems.
Typical Applications
- Medium-voltage transformer protection.
- High-voltage switchgear and controlgear.
- Electrical substations.
- Industrial power distribution systems.
- Utility transformer installations.
- OEM medium-voltage electrical equipment.
