Why Choose the Mersen B1000248 High Voltage DIN Back-up Fuse?
The Mersen B1000248 is a high performance Limitor®-PD high voltage DIN back-up fuse-link designed to provide reliable transformer protection in medium voltage electrical distribution systems. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, this fuse is engineered to interrupt high fault currents quickly while maintaining dependable long-term performance in demanding industrial and utility applications.
Manufactured using pure silver fuse elements, silver-plated copper end caps and a durable ceramic body, the B1000248 offers excellent electrical characteristics, low power dissipation and exceptional mechanical strength. Its integrated 80 N striker enables reliable operation with compatible switchgear and protection systems.
With a 12 kV AC voltage rating, 80 A current rating and 65 mm diameter × 292 mm length construction, the Mersen B1000248 is ideally suited for protecting transformers, switchgear and medium voltage equipment where dependable short-circuit protection is essential.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Complies with IEC 60282-1 and VDE 0670 T402.
- 12 kV AC rated voltage.
- 80 A current rating.
- Integrated 80 N striker for compatible switchgear.
- Low power dissipation design improves operational efficiency.
- Pure silver fuse element provides dependable electrical performance.
- Robust ceramic construction for demanding industrial environments.
Key Features
- Manufacturer: Mersen.
- Series: Limitor®-PD.
- Part number: B1000248.
- Catalogue number: 45DB120V80PD.
- Rated voltage: 12 kV AC.
- Rated current: 80 A.
- Fuse dimensions: 65 mm diameter × 292 mm length.
- Back-up fuse for transformer protection.
- Standard 80 N striker.
- High quality ceramic body with silver-plated copper contacts.
The Limitor®-PD range is specifically developed to protect transformers against the effects of high short-circuit currents while maintaining low power dissipation during normal operation. Premium construction materials and precise manufacturing provide reliable operation and long service life in demanding electrical distribution networks.
The B1000248 is suitable for installation in substations, industrial switchgear, transformer assemblies and OEM medium voltage equipment where dependable protection is essential for system reliability.
Typical Applications
- Medium voltage transformers.
- Distribution substations.
- Industrial switchgear.
- Electrical distribution networks.
- Utility infrastructure.
- OEM medium voltage equipment.
