Why Choose the Mersen C1000249 High Voltage DIN Back-up Fuse?
The Mersen C1000249 is a premium Limitor®-PD high voltage DIN back-up fuse-link designed to provide dependable transformer protection within medium voltage electrical distribution systems. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, this fuse rapidly interrupts high short-circuit currents whilst delivering reliable long-term performance in demanding industrial and utility environments.
Manufactured using pure silver fuse elements, silver-plated copper end caps and a durable ceramic body, the C1000249 provides excellent current limiting performance, low power dissipation and high mechanical strength. Its integrated 80 N striker enables dependable operation with compatible medium voltage switchgear and transformer protection systems.
With a 12 kV AC voltage rating, 100 A current rating and 78 mm diameter × 292 mm length construction, the Mersen C1000249 is ideally suited for protecting transformers installed in substations, industrial facilities and utility distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- Manufactured in accordance with IEC 60282-1 and VDE 0670 T402.
- 12 kV AC rated voltage.
- 100 A current rating.
- Integrated 80 N striker for compatible switchgear.
- 63 kA breaking capacity.
- Pure silver fuse elements provide dependable electrical performance.
- Robust ceramic construction for demanding industrial environments.
Key Features
- Manufacturer: Mersen.
- Series: Limitor®-PD.
- Part number: C1000249.
- Catalogue number: 45DB120V100PD.
- Rated voltage: 12 kV AC.
- Rated current: 100 A.
- Fuse dimensions: 78 mm diameter × 292 mm length.
- DIN high voltage back-up fuse for transformer protection.
- Integrated 80 N striker.
- Ceramic body with silver-plated copper terminals.
The Limitor®-PD range has been developed to provide dependable transformer protection against damaging short-circuit currents whilst maintaining low power dissipation during normal operation. Premium construction materials and precision manufacturing ensure reliable performance and long service life within demanding electrical distribution applications.
The C1000249 is suitable for installation in transformer switchgear, substations, industrial facilities and OEM medium voltage equipment where dependable transformer protection is essential.
Typical Applications
- Medium voltage transformers.
- Industrial switchgear.
- Electrical substations.
- Utility distribution networks.
- Power distribution systems.
- OEM medium voltage equipment.
