Why Choose the Mersen E1000251 High Voltage Transformer Fuse?
The Mersen E1000251 is a premium high voltage DIN back-up fuse from the trusted Limitor®-PD range, designed to provide dependable protection for medium voltage transformers against short-circuit currents. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, it delivers reliable fault interruption for high voltage switchgear and electrical distribution systems.
Manufactured using pure silver fuse elements, silver-plated copper end caps and a robust ceramic body, the E1000251 provides excellent electrical performance and long service life. The integrated 80 N striker enables reliable mechanical indication and operation with compatible medium voltage switchgear mechanisms.
With a rated operating voltage of 12 kV AC, a rated current of 160 A and an 88 mm × 292 mm DIN VDE T402 format, the E1000251 is ideally suited for transformer protection within substations, industrial facilities, renewable energy systems and utility distribution networks.
Key Advantages
- Designed specifically for medium voltage transformer protection.
- 12 kV AC IEC rated voltage.
- 160 A rated current.
- 63 kA maximum breaking capacity.
- Integrated 80 N striker for compatible switchgear mechanisms.
- Current-limiting design reduces thermal and mechanical stress.
- Pure silver fuse elements ensure dependable interruption performance.
- Manufactured to IEC 60282-1 and VDE 0670 T402.
Key Features
- Manufacturer: Mersen
- Series: Limitor®-PD
- Catalogue number: 45DB120V160PD
- SKU: E1000251
- Rated voltage: 12 kV AC
- Rated current: 160 A
- Breaking capacity: 63 kA
- Fuse dimensions: 88 mm diameter × 292 mm length
- 80 N striker.
- DIN VDE T402 design.
- Clip mounting.
The Mersen Limitor®-PD range has been developed specifically to protect medium voltage transformers against the damaging effects of high fault currents. Its current-limiting characteristics reduce thermal and electrodynamic stress on transformers and associated switchgear, helping extend equipment life and improve system reliability.
The E1000251 is widely used within substations, industrial power distribution systems, renewable energy installations and OEM medium voltage switchgear where dependable transformer protection is essential.
Typical Applications
- Medium voltage transformer protection.
- Utility substations.
- Industrial power distribution.
- Medium voltage switchgear.
- Renewable energy installations.
- Electrical infrastructure projects.
- OEM switchgear assemblies.
- Commercial power distribution.
