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MERSEN FUSE H 729P BCKUP VDE192-65/63 M1000235
Mersen M1000235 Limitor PD DIN high voltage back-up fuse-link for transformer protection, rated 7.2 kV AC and 63 A with an 80 N thermal striker.
£93.31
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.
Reliable Protection for Medium Voltage Transformers
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.
Technical Specifications
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| Device Type | Fuse link | |
|---|---|---|
| Fuse Type | High voltage | |
| Current | 63 A | |
| Voltage | 7200 V | |
| Manufacturer | Mersen | |
| Series | Limitor®-PD Back-up Fuses | |
| Model | M1000235 | |
| Catalogue number | 45DB72V63PD | |
| Product type | High voltage DIN back-up fuse-link | |
| Application | Transformer protection | |
| Rated voltage | 7.2 kV AC | |
| Rated current | 63 A | |
| Voltage type | AC | |
| Fuse diameter | 65 mm | |
| Fuse length | 192 mm | |
| Thermal striker | 80 N | |
| Body material | Ceramic | |
| Fuse element | Pure silver | |
| End caps | Silver-coated copper | |
| Standards | IEC 60282-1, VDE 0670 T402 | |
| EAN | 3605340455991 | |
| RoHS compliant | Yes | |
| HS Code | 85351000 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen M1000235 used for?
The Mersen M1000235 is a DIN high voltage back-up fuse-link designed to protect medium voltage transformers against damaging short-circuit currents.
What voltage is the M1000235 rated for?
The fuse has a rated operating voltage of 7.2 kV AC.
What current rating does this fuse have?
The Mersen M1000235 has a continuous current rating of 63 A.
Does this fuse include a striker?
Yes. It incorporates an integrated 80 N thermal striker for operation with compatible medium voltage switchgear.
What are the dimensions of the fuse?
The fuse has a nominal diameter of 65 mm and a fuse-link length of 192 mm.
Trusted by Utilities and Electrical Engineers Worldwide
Mersen Limitor®-PD high voltage fuse-links are trusted worldwide to provide dependable transformer protection and reliable interruption of high fault currents in medium voltage electrical systems.
