Why Choose the Mersen M1000235 High Voltage Transformer Fuse?
The Mersen M1000235 is a premium Limitor®-PD DIN high voltage back-up fuse-link designed to provide dependable short-circuit protection for medium voltage transformers. Manufactured in accordance with IEC 60282-1 and VDE 0670 T402, it forms part of Mersen's trusted Limitor®-PD range, delivering reliable transformer protection for utility, industrial and infrastructure applications.
Constructed using pure silver fuse elements, silver-coated copper end caps and a durable ceramic body, the M1000235 provides excellent electrical performance and long service life. Its integrated 80 N thermal striker enables dependable operation with compatible switchgear, helping provide rapid fault indication and isolation.
With a rated voltage of 7.2 kV AC, a rated current of 63 A and compact dimensions of 65 mm diameter × 192 mm length, the Mersen M1000235 is ideal for protecting distribution transformers against damaging short-circuit currents whilst maintaining reliable operation of medium voltage electrical systems.
Key Advantages
- High voltage DIN back-up fuse-link for transformer protection.
- 7.2 kV AC rated voltage.
- 63 A rated current.
- Designed to IEC 60282-1 and VDE 0670 T402.
- High fault interruption capability.
- Integrated 80 N thermal striker.
- Pure silver fuse elements with ceramic body construction.
- Suitable for medium voltage transformer and switchgear applications.
Key Features
- Mersen Limitor®-PD back-up fuse series.
- Catalogue number: 45DB72V63PD.
- 7.2 kV AC rated voltage.
- 63 A current rating.
- 65 mm diameter × 192 mm length.
- DIN medium voltage fuse construction.
- 80 N thermal striker.
- Ceramic body with silver-coated copper end caps.
- Pure silver fuse elements.
- Designed for transformer short-circuit protection.
The Mersen M1000235 is engineered to interrupt high prospective short-circuit currents before they can damage transformers and associated medium voltage equipment. Its current-limiting characteristics help reduce thermal and mechanical stress, improving system reliability and reducing equipment downtime.
Designed for installation within medium voltage switchgear, the Limitor®-PD range combines dependable electrical performance with robust mechanical construction, making it well suited to utility substations, industrial installations and OEM transformer protection systems.
Typical Applications
- Medium voltage transformer protection.
- Utility substations.
- Industrial power distribution systems.
- Medium voltage switchgear.
- Electrical infrastructure projects.
- Renewable energy installations.
- Commercial power distribution equipment.
